all: byte => u8

vlib/builtin/builtin.c.v

@@ -247,7 +247,7 @@ fn _writeln_to_fd(fd int, s string) {
 }
 
 [manualfree]
-fn _write_buf_to_fd(fd int, buf &byte, buf_len int) {
+fn _write_buf_to_fd(fd int, buf &u8, buf_len int) {
 	if buf_len <= 0 {
 		return
 	}

vlib/builtin/cfns.c.v

@@ -27,7 +27,7 @@ fn C.sprintf(a ...voidptr) int
 
 fn C.strlen(s &char) int
 
-fn C.sscanf(&byte, &byte, ...&byte) int
+fn C.sscanf(&u8, &u8, ...&u8) int
 
 [trusted]
 fn C.isdigit(c int) bool
@@ -247,11 +247,11 @@ fn C.CreateProcessW(lpApplicationName &u16, lpCommandLine &u16, lpProcessAttribu
 
 fn C.ReadFile(hFile voidptr, lpBuffer voidptr, nNumberOfBytesToRead u32, lpNumberOfBytesRead C.LPDWORD, lpOverlapped voidptr) bool
 
-fn C.GetFileAttributesW(lpFileName &byte) u32
+fn C.GetFileAttributesW(lpFileName &u8) u32
 
-fn C.RegQueryValueEx(hKey voidptr, lpValueName &u16, lp_reserved &u32, lpType &u32, lpData &byte, lpcbData &u32) voidptr
+fn C.RegQueryValueEx(hKey voidptr, lpValueName &u16, lp_reserved &u32, lpType &u32, lpData &u8, lpcbData &u32) voidptr
 
-fn C.RegQueryValueExW(hKey voidptr, lpValueName &u16, lp_reserved &u32, lpType &u32, lpData &byte, lpcbData &u32) int
+fn C.RegQueryValueExW(hKey voidptr, lpValueName &u16, lp_reserved &u32, lpType &u32, lpData &u8, lpcbData &u32) int
 
 fn C.RegOpenKeyEx(hKey voidptr, lpSubKey &u16, ulOptions u32, samDesired u32, phkResult voidptr) voidptr
 
@@ -259,7 +259,7 @@ fn C.RegOpenKeyExW(hKey voidptr, lpSubKey &u16, ulOptions u32, samDesired u32, p
 
 fn C.RegSetValueEx() voidptr
 
-fn C.RegSetValueExW(hKey voidptr, lpValueName &u16, reserved u32, dwType u32, lpData &byte, lpcbData u32) int
+fn C.RegSetValueExW(hKey voidptr, lpValueName &u16, reserved u32, dwType u32, lpData &u8, lpcbData u32) int
 
 fn C.RegCloseKey(hKey voidptr)
 
@@ -331,7 +331,7 @@ fn C.LocalFree()
 
 fn C.FindFirstFileW(lpFileName &u16, lpFindFileData voidptr) voidptr
 
-fn C.FindFirstFile(lpFileName &byte, lpFindFileData voidptr) voidptr
+fn C.FindFirstFile(lpFileName &u8, lpFindFileData voidptr) voidptr
 
 fn C.FindNextFile(hFindFile voidptr, lpFindFileData voidptr) int
 
@@ -361,7 +361,7 @@ fn C.closesocket(int) int
 
 fn C.vschannel_init(&C.TlsContext)
 
-fn C.request(&C.TlsContext, int, &u16, &byte, &&byte) int
+fn C.request(&C.TlsContext, int, &u16, &u8, &&u8) int
 
 fn C.vschannel_cleanup(&C.TlsContext)
 
@@ -370,19 +370,19 @@ fn C.URLDownloadToFile(int, &u16, &u16, int, int)
 [trusted]
 fn C.GetLastError() u32
 
-fn C.CreateDirectory(&byte, int) bool
+fn C.CreateDirectory(&u8, int) bool
 
 // win crypto
 fn C.BCryptGenRandom(int, voidptr, int, int) int
 
 // win synchronization
-fn C.CreateMutex(int, bool, &byte) voidptr
+fn C.CreateMutex(int, bool, &u8) voidptr
 
 fn C.WaitForSingleObject(voidptr, int) int
 
 fn C.ReleaseMutex(voidptr) bool
 
-fn C.CreateEvent(int, bool, bool, &byte) voidptr
+fn C.CreateEvent(int, bool, bool, &u8) voidptr
 
 fn C.SetEvent(voidptr) int
 
@@ -480,4 +480,4 @@ fn C.dup2(oldfd int, newfd int) int
 fn C.glTexImage2D()
 
 // used by ios for println
-fn C.WrappedNSLog(str &byte)
+fn C.WrappedNSLog(str &u8)

vlib/builtin/int.v

@@ -77,7 +77,7 @@ fn (nn int) str_l(max int) string {
 			buf[index] = `-`
 		}
 		diff := max - index
-		vmemmove(buf, buf + index, diff + 1)
+		vmemmove(buf, voidptr(buf + index), diff + 1)
 		/*
 		// === manual memory move for bare metal ===
 		mut c:= 0
@@ -148,7 +148,7 @@ pub fn (nn u32) str() string {
 			index++
 		}
 		diff := max - index
-		vmemmove(buf, buf + index, diff + 1)
+		vmemmove(buf, voidptr(buf + index), diff + 1)
 		return tos(buf, diff)
 
 		// return tos(memdup(&buf[0] + index, (max - index)), (max - index))
@@ -202,7 +202,7 @@ pub fn (nn i64) str() string {
 			buf[index] = `-`
 		}
 		diff := max - index
-		vmemmove(buf, buf + index, diff + 1)
+		vmemmove(buf, voidptr(buf + index), diff + 1)
 		return tos(buf, diff)
 		// return tos(memdup(&buf[0] + index, (max - index)), (max - index))
 	}
@@ -239,7 +239,7 @@ pub fn (nn u64) str() string {
 			index++
 		}
 		diff := max - index
-		vmemmove(buf, buf + index, diff + 1)
+		vmemmove(buf, voidptr(buf + index), diff + 1)
 		return tos(buf, diff)
 		// return tos(memdup(&buf[0] + index, (max - index)), (max - index))
 	}
@@ -260,13 +260,13 @@ pub fn (b bool) str() string {
 
 // u64_to_hex converts the number `nn` to a (zero padded if necessary) hexadecimal `string`.
 [direct_array_access; inline]
-fn u64_to_hex(nn u64, len byte) string {
+fn u64_to_hex(nn u64, len u8) string {
 	mut n := nn
-	mut buf := [17]byte{}
+	mut buf := [17]u8{}
 	buf[len] = 0
 	mut i := 0
 	for i = len - 1; i >= 0; i-- {
-		d := byte(n & 0xF)
+		d := u8(n & 0xF)
 		buf[i] = if d < 10 { d + `0` } else { d + 87 }
 		n = n >> 4
 	}
@@ -275,13 +275,13 @@ fn u64_to_hex(nn u64, len byte) string {
 
 // u64_to_hex_no_leading_zeros converts the number `nn` to hexadecimal `string`.
 [direct_array_access; inline]
-fn u64_to_hex_no_leading_zeros(nn u64, len byte) string {
+fn u64_to_hex_no_leading_zeros(nn u64, len u8) string {
 	mut n := nn
-	mut buf := [17]byte{}
+	mut buf := [17]u8{}
 	buf[len] = 0
 	mut i := 0
 	for i = len - 1; i >= 0; i-- {
-		d := byte(n & 0xF)
+		d := u8(n & 0xF)
 		buf[i] = if d < 10 { d + `0` } else { d + 87 }
 		n = n >> 4
 		if n == 0 {
@@ -297,7 +297,7 @@ fn u64_to_hex_no_leading_zeros(nn u64, len byte) string {
 // Example: assert byte(2).hex() == '02'
 // Example: assert byte(15).hex() == '0f'
 // Example: assert byte(255).hex() == 'ff'
-pub fn (nn byte) hex() string {
+pub fn (nn u8) hex() string {
 	if nn == 0 {
 		return '00'
 	}
@@ -406,7 +406,7 @@ pub fn (nn charptr) str() string {
 	return '0x' + u64(nn).hex()
 }
 
-pub fn (nn byte) hex_full() string {
+pub fn (nn u8) hex_full() string {
 	return u64_to_hex(u64(nn), 2)
 }
 
@@ -452,13 +452,13 @@ pub fn (nn u64) hex_full() string {
 // str returns the contents of `byte` as a zero terminated `string`.
 // See also: [`byte.ascii_str`](#byte.ascii_str)
 // Example: assert byte(111).str() == '111'
-pub fn (b byte) str() string {
+pub fn (b u8) str() string {
 	return int(b).str_l(7)
 }
 
 // ascii_str returns the contents of `byte` as a zero terminated ASCII `string` character.
 // Example: assert byte(97).ascii_str() == 'a'
-pub fn (b byte) ascii_str() string {
+pub fn (b u8) ascii_str() string {
 	mut str := string{
 		str: unsafe { malloc_noscan(2) }
 		len: 1
@@ -474,7 +474,7 @@ pub fn (b byte) ascii_str() string {
 // str_escaped returns the contents of `byte` as an escaped `string`.
 // Example: assert byte(0).str_escaped() == r'`\0`'
 [manualfree]
-pub fn (b byte) str_escaped() string {
+pub fn (b u8) str_escaped() string {
 	str := match b {
 		0 {
 			r'`\0`'
@@ -520,12 +520,12 @@ pub fn (b byte) str_escaped() string {
 // Example: assert `H`.is_capital() == true
 // Example: assert `h`.is_capital() == false
 [inline]
-pub fn (c byte) is_capital() bool {
+pub fn (c u8) is_capital() bool {
 	return c >= `A` && c <= `Z`
 }
 
 // clone clones the byte array, and returns the newly created copy.
-pub fn (b []byte) clone() []byte {
+pub fn (b []u8) clone() []byte {
 	mut res := []byte{len: b.len}
 	// mut res := make([]byte, {repeat:b.len})
 	for i in 0 .. b.len {
@@ -539,7 +539,7 @@ pub fn (b []byte) clone() []byte {
 // even when some of the array bytes were `0`.
 // If you want to get a V string, that contains only the bytes till
 // the first `0` byte, use `tos_clone(&byte(array.data))` instead.
-pub fn (b []byte) bytestr() string {
+pub fn (b []u8) bytestr() string {
 	unsafe {
 		buf := malloc_noscan(b.len + 1)
 		vmemcpy(buf, b.data, b.len)
@@ -552,13 +552,13 @@ pub fn (b []byte) bytestr() string {
 // from utf8 to utf32 and return the result as a rune
 // it will produce an error if there are more than
 // four bytes in the array.
-pub fn (b []byte) byterune() ?rune {
+pub fn (b []u8) byterune() ?rune {
 	r := b.utf8_to_utf32() ?
 	return rune(r)
 }
 
 // repeat returns a new string with `count` number of copies of the byte it was called on.
-pub fn (b byte) repeat(count int) string {
+pub fn (b u8) repeat(count int) string {
 	if count < 0 {
 		panic('byte.repeat: count is negative: $count')
 	} else if count == 0 {

vlib/builtin/js/byte.js.v

@@ -1,27 +1,27 @@
 module builtin
 
-pub fn (b byte) is_space() bool {
+pub fn (b u8) is_space() bool {
 	mut result := false
 	#result.val = /^\s*$/.test(String.fromCharCode(b))
 
 	return result
 }
 
-pub fn (c byte) str() string {
+pub fn (c u8) str() string {
 	res := ''
 	#res.str = c.val.toString()
 
 	return res
 }
 
-pub fn (c byte) ascii_str() string {
+pub fn (c u8) ascii_str() string {
 	res := ''
 	#res.str = String.fromCharCode(c.val)
 
 	return res
 }
 
-pub fn (c byte) repeat(count int) string {
+pub fn (c u8) repeat(count int) string {
 	mut res := ''
 	for _ in 0 .. count {
 		res += c.ascii_str()
@@ -31,42 +31,42 @@ pub fn (c byte) repeat(count int) string {
 }
 
 [inline]
-pub fn (c byte) is_digit() bool {
+pub fn (c u8) is_digit() bool {
 	return c >= `0` && c <= `9`
 }
 
 // is_hex_digit returns `true` if the byte is either in range 0-9, a-f or A-F and `false` otherwise.
 // Example: assert byte(`F`) == true
 [inline]
-pub fn (c byte) is_hex_digit() bool {
+pub fn (c u8) is_hex_digit() bool {
 	return (c >= `0` && c <= `9`) || (c >= `a` && c <= `f`) || (c >= `A` && c <= `F`)
 }
 
 // is_oct_digit returns `true` if the byte is in range 0-7 and `false` otherwise.
 // Example: assert byte(`7`) == true
 [inline]
-pub fn (c byte) is_oct_digit() bool {
+pub fn (c u8) is_oct_digit() bool {
 	return c >= `0` && c <= `7`
 }
 
 // is_bin_digit returns `true` if the byte is a binary digit (0 or 1) and `false` otherwise.
 // Example: assert byte(`0`) == true
 [inline]
-pub fn (c byte) is_bin_digit() bool {
+pub fn (c u8) is_bin_digit() bool {
 	return c == `0` || c == `1`
 }
 
 // is_letter returns `true` if the byte is in range a-z or A-Z and `false` otherwise.
 // Example: assert byte(`V`) == true
 [inline]
-pub fn (c byte) is_letter() bool {
+pub fn (c u8) is_letter() bool {
 	return (c >= `a` && c <= `z`) || (c >= `A` && c <= `Z`)
 }
 
 // is_alnum returns `true` if the byte is in range a-z, A-Z, 0-9 and `false` otherwise.
 // Example: assert byte(`V`) == true
 [inline]
-pub fn (c byte) is_alnum() bool {
+pub fn (c u8) is_alnum() bool {
 	return (c >= `a` && c <= `z`) || (c >= `A` && c <= `Z`) || (c >= `0` && c <= `9`)
 }
 
@@ -74,14 +74,14 @@ pub fn (c byte) is_alnum() bool {
 // Example: assert `H`.is_capital() == true
 // Example: assert `h`.is_capital() == false
 [inline]
-pub fn (c byte) is_capital() bool {
+pub fn (c u8) is_capital() bool {
 	return c >= `A` && c <= `Z`
 }
 
 // str_escaped returns the contents of `byte` as an escaped `string`.
 // Example: assert byte(0).str_escaped() == r'`\0`'
 
-pub fn (b byte) str_escaped() string {
+pub fn (b u8) str_escaped() string {
 	mut str := ''
 	match b {
 		0 { str = r'`\0`' }

vlib/builtin/map.v

@@ -85,9 +85,9 @@ mut:
 	deletes u32 // count
 	// array allocated (with `cap` bytes) on first deletion
 	// has non-zero element when key deleted
-	all_deleted &byte
+	all_deleted &u8
-	values      &byte
+	values      &u8
-	keys        &byte
+	keys        &u8
 }
 
 [inline]
@@ -107,13 +107,13 @@ fn new_dense_array(key_bytes int, value_bytes int) DenseArray {
 
 [inline]
 fn (d &DenseArray) key(i int) voidptr {
-	return unsafe { d.keys + i * d.key_bytes }
+	return unsafe { voidptr(d.keys + i * d.key_bytes) }
 }
 
 // for cgen
 [inline]
 fn (d &DenseArray) value(i int) voidptr {
-	return unsafe { d.values + i * d.value_bytes }
+	return unsafe { voidptr(d.values + i * d.value_bytes) }
 }
 
 [inline]
@@ -135,7 +135,7 @@ fn (mut d DenseArray) expand() int {
 			d.values = realloc_data(d.values, old_value_size, d.value_bytes * d.cap)
 			if d.deletes != 0 {
 				d.all_deleted = realloc_data(d.all_deleted, old_cap, d.cap)
-				vmemset(d.all_deleted + d.len, 0, d.cap - d.len)
+				vmemset(voidptr(d.all_deleted + d.len), 0, d.cap - d.len)
 			}
 		}
 	}
@@ -167,9 +167,9 @@ mut:
 	// Highest even index in the hashtable
 	even_index u32
 	// Number of cached hashbits left for rehashing
-	cached_hashbits byte
+	cached_hashbits u8
 	// Used for right-shifting out used hashbits
-	shift byte
+	shift u8
 	// Array storing key-values (ordered)
 	key_values DenseArray
 	// Pointer to meta-data:
@@ -194,7 +194,7 @@ fn map_eq_string(a voidptr, b voidptr) bool {
 }
 
 fn map_eq_int_1(a voidptr, b voidptr) bool {
-	return unsafe { *&byte(a) == *&byte(b) }
+	return unsafe { *&u8(a) == *&u8(b) }
 }
 
 fn map_eq_int_2(a voidptr, b voidptr) bool {
@@ -218,7 +218,7 @@ fn map_clone_string(dest voidptr, pkey voidptr) {
 
 fn map_clone_int_1(dest voidptr, pkey voidptr) {
 	unsafe {
-		*&byte(dest) = *&byte(pkey)
+		*&u8(dest) = *&u8(pkey)
 	}
 }
 
@@ -274,8 +274,8 @@ fn new_map(key_bytes int, value_bytes int, hash_fn MapHashFn, key_eq_fn MapEqFn,
 fn new_map_init(hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn, n int, key_bytes int, value_bytes int, keys voidptr, values voidptr) map {
 	mut out := new_map(key_bytes, value_bytes, hash_fn, key_eq_fn, clone_fn, free_fn)
 	// TODO pre-allocate n slots
-	mut pkey := &byte(keys)
+	mut pkey := &u8(keys)
-	mut pval := &byte(values)
+	mut pval := &u8(values)
 	for _ in 0 .. n {
 		unsafe {
 			out.set(pkey, pval)
@@ -348,7 +348,7 @@ fn (mut m map) ensure_extra_metas(probe_count u32) {
 		m.extra_metas += extra_metas_inc
 		mem_size := (m.even_index + 2 + m.extra_metas)
 		unsafe {
-			x := realloc_data(&byte(m.metas), int(size_of_u32 * old_mem_size), int(size_of_u32 * mem_size))
+			x := realloc_data(&u8(m.metas), int(size_of_u32 * old_mem_size), int(size_of_u32 * mem_size))
 			m.metas = &u32(x)
 			vmemset(m.metas + mem_size - extra_metas_inc, 0, int(sizeof(u32) * extra_metas_inc))
 		}
@@ -388,7 +388,7 @@ fn (mut m map) set(key voidptr, value voidptr) {
 		pkey := m.key_values.key(kv_index)
 		pvalue := m.key_values.value(kv_index)
 		m.clone_fn(pkey, key)
-		vmemcpy(&byte(pvalue), value, m.value_bytes)
+		vmemcpy(&u8(pvalue), value, m.value_bytes)
 	}
 	m.meta_greater(index, meta, u32(kv_index))
 	m.len++
@@ -418,7 +418,7 @@ fn (mut m map) rehash() {
 	meta_bytes := sizeof(u32) * (m.even_index + 2 + m.extra_metas)
 	unsafe {
 		// TODO: use realloc_data here too
-		x := v_realloc(&byte(m.metas), int(meta_bytes))
+		x := v_realloc(&u8(m.metas), int(meta_bytes))
 		m.metas = &u32(x)
 		vmemset(m.metas, 0, int(meta_bytes))
 	}
@@ -468,7 +468,7 @@ fn (mut m map) get_and_set(key voidptr, zero voidptr) voidptr {
 				pkey := unsafe { m.key_values.key(kv_index) }
 				if m.key_eq_fn(key, pkey) {
 					pval := unsafe { m.key_values.value(kv_index) }
-					return unsafe { &byte(pval) }
+					return unsafe { &u8(pval) }
 				}
 			}
 			index += 2
@@ -494,7 +494,7 @@ fn (m &map) get(key voidptr, zero voidptr) voidptr {
 			pkey := unsafe { m.key_values.key(kv_index) }
 			if m.key_eq_fn(key, pkey) {
 				pval := unsafe { m.key_values.value(kv_index) }
-				return unsafe { &byte(pval) }
+				return unsafe { &u8(pval) }
 			}
 		}
 		index += 2
@@ -518,7 +518,7 @@ fn (m &map) get_check(key voidptr) voidptr {
 			pkey := unsafe { m.key_values.key(kv_index) }
 			if m.key_eq_fn(key, pkey) {
 				pval := unsafe { m.key_values.value(kv_index) }
-				return unsafe { &byte(pval) }
+				return unsafe { &u8(pval) }
 			}
 		}
 		index += 2
@@ -604,7 +604,7 @@ pub fn (mut m map) delete(key voidptr) {
 // Returns all keys in the map.
 pub fn (m &map) keys() array {
 	mut keys := __new_array(m.len, 0, m.key_bytes)
-	mut item := unsafe { &byte(keys.data) }
+	mut item := unsafe { &u8(keys.data) }
 	if m.key_values.deletes == 0 {
 		for i := 0; i < m.key_values.len; i++ {
 			unsafe {

vlib/builtin/option.v

@@ -103,7 +103,7 @@ pub fn error_with_code(message string, code int) IError {
 
 // Option is the base of V's internal optional return system.
 struct Option {
-	state byte
+	state u8
 	err   IError = none__
 	// Data is trailing after err
 	// and is not included in here but in the
@@ -114,7 +114,7 @@ fn opt_ok(data voidptr, mut option Option, size int) {
 	unsafe {
 		*option = Option{}
 		// use err to get the end of OptionBase and then memcpy into it
-		vmemcpy(&byte(&option.err) + sizeof(IError), data, size)
+		vmemcpy(&u8(&option.err) + sizeof(IError), data, size)
 	}
 }
 

vlib/builtin/prealloc.c.v

@@ -25,7 +25,7 @@ mut:
 	start     &byte = 0
 	previous  &VMemoryBlock = 0
 	remaining int
-	current   &byte = 0
+	current   &u8 = 0
 	mallocs   int
 }
 

vlib/builtin/rune.v

@@ -14,14 +14,14 @@ pub fn (c rune) str() string {
 	/*
 	unsafe {
 		fst_byte := int(c)>>8 * 3 & 0xff
-		len := utf8_char_len(byte(fst_byte))
+		len := utf8_char_len(u8(fst_byte))
 		println('len=$len')
 		mut str := string{
 			len: len
 			str: malloc_noscan(len + 1)
 		}
 		for i in 0..len {
-			str.str[i] = byte(int(c)>>8 * (3 - i) & 0xff)
+			str.str[i] = u8(int(c)>>8 * (3 - i) & 0xff)
 		}
 		str.str[len] = `\0`
 		println(str)
@@ -49,15 +49,15 @@ pub fn (c rune) repeat(count int) string {
 	} else if count == 1 {
 		return c.str()
 	}
-	mut buffer := [5]byte{}
+	mut buffer := [5]u8{}
 	res := unsafe { utf32_to_str_no_malloc(u32(c), &buffer[0]) }
 	return res.repeat(count)
 }
 
 [manualfree]
-pub fn (c rune) bytes() []byte {
+pub fn (c rune) bytes() []u8 {
-	mut res := []byte{cap: 5}
+	mut res := []u8{cap: 5}
-	res.len = unsafe { utf32_decode_to_buffer(u32(c), &byte(res.data)) }
+	res.len = unsafe { utf32_decode_to_buffer(u32(c), &u8(res.data)) }
 	return res
 }
 

vlib/builtin/string.v

@@ -43,7 +43,7 @@ Note: A V string should be/is immutable from the point of view of
 */
 pub struct string {
 pub:
-	str &byte = 0 // points to a C style 0 terminated string of bytes.
+	str &u8 = 0 // points to a C style 0 terminated string of bytes.
 	len int   // the length of the .str field, excluding the ending 0 byte. It is always equal to strlen(.str).
 	// NB string.is_lit is an enumeration of the following:
 	// .is_lit == 0 => a fresh string, should be freed by autofree
@@ -83,7 +83,7 @@ pub fn (s string) runes() []rune {
 // It will panic, if the pointer `s` is 0.
 [unsafe]
 pub fn cstring_to_vstring(s &char) string {
-	return unsafe { tos2(&byte(s)) }.clone()
+	return unsafe { tos2(&u8(s)) }.clone()
 }
 
 // tos_clone creates a new V string copy of the C style string, pointed by `s`.
@@ -91,7 +91,7 @@ pub fn cstring_to_vstring(s &char) string {
 // that tos_clone expects `&byte`, while cstring_to_vstring expects &char).
 // It will panic, if the pointer `s` is 0.
 [unsafe]
-pub fn tos_clone(s &byte) string {
+pub fn tos_clone(s &u8) string {
 	return unsafe { tos2(s) }.clone()
 }
 
@@ -100,7 +100,7 @@ pub fn tos_clone(s &byte) string {
 // It will panic, when the pointer `s` is 0.
 // See also `tos_clone`.
 [unsafe]
-pub fn tos(s &byte, len int) string {
+pub fn tos(s &u8, len int) string {
 	if s == 0 {
 		panic('tos(): nil string')
 	}
@@ -117,7 +117,7 @@ pub fn tos(s &byte, len int) string {
 // It is the same as `tos3`, but for &byte pointers, avoiding callsite casts.
 // See also `tos_clone`.
 [unsafe]
-pub fn tos2(s &byte) string {
+pub fn tos2(s &u8) string {
 	if s == 0 {
 		panic('tos2: nil string')
 	}
@@ -139,7 +139,7 @@ pub fn tos3(s &char) string {
 		panic('tos3: nil string')
 	}
 	return string{
-		str: unsafe { &byte(s) }
+		str: unsafe { &u8(s) }
 		len: unsafe { vstrlen_char(s) }
 	}
 }
@@ -151,7 +151,7 @@ pub fn tos3(s &char) string {
 // It is the same as `tos5`, but for &byte pointers, avoiding callsite casts.
 // See also `tos_clone`.
 [unsafe]
-pub fn tos4(s &byte) string {
+pub fn tos4(s &u8) string {
 	if s == 0 {
 		return ''
 	}
@@ -173,7 +173,7 @@ pub fn tos5(s &char) string {
 		return ''
 	}
 	return string{
-		str: unsafe { &byte(s) }
+		str: unsafe { &u8(s) }
 		len: unsafe { vstrlen_char(s) }
 	}
 }
@@ -185,7 +185,7 @@ pub fn tos5(s &char) string {
 // (i.e. they would be freed by V's -autofree mechanism, when they are no longer used).
 // See also `tos_clone`.
 [unsafe]
-pub fn (bp &byte) vstring() string {
+pub fn (bp &u8) vstring() string {
 	return string{
 		str: unsafe { bp }
 		len: unsafe { vstrlen(bp) }
@@ -198,7 +198,7 @@ pub fn (bp &byte) vstring() string {
 // does not need to calculate the length of the 0 terminated string.
 // See also `tos_clone`.
 [unsafe]
-pub fn (bp &byte) vstring_with_len(len int) string {
+pub fn (bp &u8) vstring_with_len(len int) string {
 	return string{
 		str: unsafe { bp }
 		len: len
@@ -216,7 +216,7 @@ pub fn (bp &byte) vstring_with_len(len int) string {
 [unsafe]
 pub fn (cp &char) vstring() string {
 	return string{
-		str: &byte(cp)
+		str: &u8(cp)
 		len: unsafe { vstrlen_char(cp) }
 		is_lit: 0
 	}
@@ -230,7 +230,7 @@ pub fn (cp &char) vstring() string {
 [unsafe]
 pub fn (cp &char) vstring_with_len(len int) string {
 	return string{
-		str: &byte(cp)
+		str: &u8(cp)
 		len: len
 		is_lit: 0
 	}
@@ -245,7 +245,7 @@ pub fn (cp &char) vstring_with_len(len int) string {
 // managed/freed by it, for example `os.args` is implemented using it.
 // See also `tos_clone`.
 [unsafe]
-pub fn (bp &byte) vstring_literal() string {
+pub fn (bp &u8) vstring_literal() string {
 	return string{
 		str: unsafe { bp }
 		len: unsafe { vstrlen(bp) }
@@ -259,7 +259,7 @@ pub fn (bp &byte) vstring_literal() string {
 // does not need to calculate the length of the 0 terminated string.
 // See also `tos_clone`.
 [unsafe]
-pub fn (bp &byte) vstring_literal_with_len(len int) string {
+pub fn (bp &u8) vstring_literal_with_len(len int) string {
 	return string{
 		str: unsafe { bp }
 		len: len
@@ -274,7 +274,7 @@ pub fn (bp &byte) vstring_literal_with_len(len int) string {
 [unsafe]
 pub fn (cp &char) vstring_literal() string {
 	return string{
-		str: &byte(cp)
+		str: &u8(cp)
 		len: unsafe { vstrlen_char(cp) }
 		is_lit: 1
 	}
@@ -289,7 +289,7 @@ pub fn (cp &char) vstring_literal() string {
 [unsafe]
 pub fn (cp &char) vstring_literal_with_len(len int) string {
 	return string{
-		str: &byte(cp)
+		str: &u8(cp)
 		len: len
 		is_lit: 1
 	}
@@ -521,7 +521,7 @@ pub fn (s string) f64() f64 {
 
 // u8 returns the value of the string as u8 `'1'.u8() == u8(1)`.
 pub fn (s string) byte() u8 {
-	return byte(strconv.common_parse_uint(s, 0, 8, false, false) or { 0 })
+	return u8(strconv.common_parse_uint(s, 0, 8, false, false) or { 0 })
 }
 
 // u16 returns the value of the string as u16 `'1'.u16() == u16(1)`.
@@ -1039,7 +1039,7 @@ pub fn (s string) index_after(p string, start int) int {
 // index_byte returns the index of byte `c` if found in the string.
 // index_byte returns -1 if the byte can not be found.
 [direct_array_access]
-pub fn (s string) index_byte(c byte) int {
+pub fn (s string) index_byte(c u8) int {
 	for i in 0 .. s.len {
 		if unsafe { s.str[i] } == c {
 			return i
@@ -1051,7 +1051,7 @@ pub fn (s string) index_byte(c byte) int {
 // last_index_byte returns the index of the last occurence of byte `c` if found in the string.
 // last_index_byte returns -1 if the byte is not found.
 [direct_array_access]
-pub fn (s string) last_index_byte(c byte) int {
+pub fn (s string) last_index_byte(c u8) int {
 	for i := s.len - 1; i >= 0; i-- {
 		if unsafe { s.str[i] == c } {
 			return i
@@ -1215,7 +1215,7 @@ pub fn (s string) to_upper() string {
 pub fn (s string) is_upper() bool {
 	for i in 0 .. s.len {
 		if s[i] >= `a` && s[i] <= `z` {
-			return false
+	return false
 		}
 	}
 	return true
@@ -1490,7 +1490,7 @@ fn (s string) at(idx int) byte {
 
 // version of `at()` that is used in `a[i] or {`
 // return an error when the index is out of range
-fn (s string) at_with_check(idx int) ?byte {
+fn (s string) at_with_check(idx int) ?u8 {
 	if idx < 0 || idx >= s.len {
 		return error('string index out of range')
 	}
@@ -1503,7 +1503,7 @@ fn (s string) at_with_check(idx int) ?byte {
 // The following list is considered white space characters: ` `, `\t`, `\n`, `\v`, `\f`, `\r`, 0x85, 0xa0
 // Example: assert byte(` `).is_space() == true
 [inline]
-pub fn (c byte) is_space() bool {
+pub fn (c u8) is_space() bool {
 	// 0x85 is NEXT LINE (NEL)
 	// 0xa0 is NO-BREAK SPACE
 	return c == 32 || (c > 8 && c < 14) || (c == 0x85) || (c == 0xa0)
@@ -1512,42 +1512,42 @@ pub fn (c byte) is_space() bool {
 // is_digit returns `true` if the byte is in range 0-9 and `false` otherwise.
 // Example: assert byte(`9`) == true
 [inline]
-pub fn (c byte) is_digit() bool {
+pub fn (c u8) is_digit() bool {
 	return c >= `0` && c <= `9`
 }
 
 // is_hex_digit returns `true` if the byte is either in range 0-9, a-f or A-F and `false` otherwise.
 // Example: assert byte(`F`) == true
 [inline]
-pub fn (c byte) is_hex_digit() bool {
+pub fn (c u8) is_hex_digit() bool {
 	return (c >= `0` && c <= `9`) || (c >= `a` && c <= `f`) || (c >= `A` && c <= `F`)
 }
 
 // is_oct_digit returns `true` if the byte is in range 0-7 and `false` otherwise.
 // Example: assert byte(`7`) == true
 [inline]
-pub fn (c byte) is_oct_digit() bool {
+pub fn (c u8) is_oct_digit() bool {
 	return c >= `0` && c <= `7`
 }
 
 // is_bin_digit returns `true` if the byte is a binary digit (0 or 1) and `false` otherwise.
 // Example: assert byte(`0`) == true
 [inline]
-pub fn (c byte) is_bin_digit() bool {
+pub fn (c u8) is_bin_digit() bool {
 	return c == `0` || c == `1`
 }
 
 // is_letter returns `true` if the byte is in range a-z or A-Z and `false` otherwise.
 // Example: assert byte(`V`) == true
 [inline]
-pub fn (c byte) is_letter() bool {
+pub fn (c u8) is_letter() bool {
 	return (c >= `a` && c <= `z`) || (c >= `A` && c <= `Z`)
 }
 
 // is_alnum returns `true` if the byte is in range a-z, A-Z, 0-9 and `false` otherwise.
 // Example: assert byte(`V`) == true
 [inline]
-pub fn (c byte) is_alnum() bool {
+pub fn (c u8) is_alnum() bool {
 	return (c >= `a` && c <= `z`) || (c >= `A` && c <= `Z`) || (c >= `0` && c <= `9`)
 }
 
@@ -1652,7 +1652,7 @@ pub fn (s string) after(sub string) string {
 // If the substring is not found, it returns the full input string.
 // Example: assert '23:34:45.234'.after_char(`:`) == '34:45.234'
 // Example: assert 'abcd'.after_char(`:`) == 'abcd'
-pub fn (s string) after_char(sub byte) string {
+pub fn (s string) after_char(sub u8) string {
 	mut pos := -1
 	for i, c in s {
 		if c == sub {
@@ -1685,13 +1685,13 @@ pub fn (a []string) join(sep string) string {
 	mut idx := 0
 	for i, val in a {
 		unsafe {
-			vmemcpy(res.str + idx, val.str, val.len)
+			vmemcpy(voidptr(res.str + idx), val.str, val.len)
 			idx += val.len
 		}
 		// Add sep if it's not last
 		if i != a.len - 1 {
 			unsafe {
-				vmemcpy(res.str + idx, sep.str, sep.len)
+				vmemcpy(voidptr(res.str + idx), sep.str, sep.len)
 				idx += sep.len
 			}
 		}
@@ -1751,11 +1751,11 @@ pub fn (s string) hash() int {
 }
 
 // bytes returns the string converted to a byte array.
-pub fn (s string) bytes() []byte {
+pub fn (s string) bytes() []u8 {
 	if s.len == 0 {
 		return []
 	}
-	mut buf := []byte{len: s.len}
+	mut buf := []u8{len: s.len}
 	unsafe { vmemcpy(buf.data, s.str, s.len) }
 	return buf
 }
@@ -1839,7 +1839,7 @@ pub fn (s string) strip_margin() string {
 
 // strip_margin_custom does the same as `strip_margin` but will use `del` as delimiter instead of `|`
 [direct_array_access]
-pub fn (s string) strip_margin_custom(del byte) string {
+pub fn (s string) strip_margin_custom(del u8) string {
 	mut sep := del
 	if sep.is_space() {
 		println('Warning: `strip_margin` cannot use white-space as a delimiter')

vlib/builtin/string_interpolation.v

@@ -159,7 +159,7 @@ fn (data &StrIntpData) process_str_intp_data(mut sb strings.Builder) {
 	tail_zeros := ((x >> 16) & 0x01) > 0
 	width := int(i16((x >> 17) & 0x3FF))
 	mut base := int(x >> 27) & 0xF
-	fmt_pad_ch := byte((x >> 31) & 0xFF)
+	fmt_pad_ch := u8((x >> 31) & 0xFF)
 
 	// no string interpolation is needed, return empty string
 	if typ == .si_no_str {

vlib/builtin/utf8.c.v

@@ -61,7 +61,7 @@ pub fn string_from_wide2(_wstr &u16, len int) string {
 // Reads an utf8 character from standard input
 pub fn utf8_getchar() int {
 	c := C.getchar()
-	len := utf8_len(byte(~c))
+	len := utf8_len(u8(~c))
 	if c < 0 {
 		return 0
 	} else if len == 0 {

vlib/builtin/utf8.v

@@ -37,29 +37,29 @@ pub fn utf32_to_str_no_malloc(code u32, buf &byte) string {
 pub fn utf32_decode_to_buffer(code u32, buf &byte) int {
 	unsafe {
 		icode := int(code) // Prevents doing casts everywhere
-		mut buffer := &byte(buf)
+		mut buffer := &u8(buf)
 		if icode <= 127 {
 			// 0x7F
-			buffer[0] = byte(icode)
+			buffer[0] = u8(icode)
 			return 1
 		} else if icode <= 2047 {
 			// 0x7FF
-			buffer[0] = 192 | byte(icode >> 6) // 0xC0 - 110xxxxx
+			buffer[0] = 192 | u8(icode >> 6) // 0xC0 - 110xxxxx
-			buffer[1] = 128 | byte(icode & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[1] = 128 | u8(icode & 63) // 0x80 - 0x3F - 10xxxxxx
 			return 2
 		} else if icode <= 65535 {
 			// 0xFFFF
-			buffer[0] = 224 | byte(icode >> 12) // 0xE0 - 1110xxxx
+			buffer[0] = 224 | u8(icode >> 12) // 0xE0 - 1110xxxx
-			buffer[1] = 128 | (byte(icode >> 6) & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[1] = 128 | (u8(icode >> 6) & 63) // 0x80 - 0x3F - 10xxxxxx
-			buffer[2] = 128 | byte(icode & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[2] = 128 | u8(icode & 63) // 0x80 - 0x3F - 10xxxxxx
 			return 3
 		}
 		// 0x10FFFF
 		else if icode <= 1114111 {
-			buffer[0] = 240 | byte(icode >> 18) // 0xF0 - 11110xxx
+			buffer[0] = 240 | u8(icode >> 18) // 0xF0 - 11110xxx
-			buffer[1] = 128 | (byte(icode >> 12) & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[1] = 128 | (u8(icode >> 12) & 63) // 0x80 - 0x3F - 10xxxxxx
-			buffer[2] = 128 | (byte(icode >> 6) & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[2] = 128 | (u8(icode >> 6) & 63) // 0x80 - 0x3F - 10xxxxxx
-			buffer[3] = 128 | byte(icode & 63) // 0x80 - 0x3F - 10xxxxxx
+			buffer[3] = 128 | u8(icode & 63) // 0x80 - 0x3F - 10xxxxxx
 			return 4
 		}
 	}
@@ -85,7 +85,7 @@ pub fn (_rune string) utf32_code() int {
 
 // convert array of utf8 bytes to single utf32 value
 // will error if more than 4 bytes are submitted
-pub fn (_bytes []byte) utf8_to_utf32() ?rune {
+pub fn (_bytes []u8) utf8_to_utf32() ?rune {
 	if _bytes.len == 0 {
 		return 0
 	}
@@ -97,7 +97,7 @@ pub fn (_bytes []byte) utf8_to_utf32() ?rune {
 		return error('attempted to decode too many bytes, utf-8 is limited to four bytes maximum')
 	}
 
-	mut b := byte(int(_bytes[0]))
+	mut b := u8(int(_bytes[0]))
 
 	b = b << _bytes.len
 	mut res := rune(b)

vlib/math/bits/bits.v

@@ -52,7 +52,7 @@ pub fn leading_zeros_64(x u64) int {
 
 // --- TrailingZeros ---
 // trailing_zeros_8 returns the number of trailing zero bits in x; the result is 8 for x == 0.
-pub fn trailing_zeros_8(x byte) int {
+pub fn trailing_zeros_8(x u8) int {
 	return int(ntz_8_tab[x])
 }
 
@@ -95,7 +95,7 @@ pub fn trailing_zeros_64(x u64) int {
 
 // --- OnesCount ---
 // ones_count_8 returns the number of one bits ("population count") in x.
-pub fn ones_count_8(x byte) int {
+pub fn ones_count_8(x u8) int {
 	return int(pop_8_tab[x])
 }
 
@@ -148,7 +148,7 @@ pub fn ones_count_64(x u64) int {
 [inline]
 pub fn rotate_left_8(x byte, k int) byte {
 	n := byte(8)
-	s := byte(k) & (n - byte(1))
+	s := u8(k) & (n - u8(1))
 	return (x << s) | (x >> (n - s))
 }
 
@@ -188,7 +188,7 @@ pub fn rotate_left_64(x u64, k int) u64 {
 // --- Reverse ---
 // reverse_8 returns the value of x with its bits in reversed order.
 [inline]
-pub fn reverse_8(x byte) byte {
+pub fn reverse_8(x u8) u8 {
 	return rev_8_tab[x]
 }
 
@@ -246,7 +246,7 @@ pub fn reverse_bytes_64(x u64) u64 {
 
 // --- Len ---
 // len_8 returns the minimum number of bits required to represent x; the result is 0 for x == 0.
-pub fn len_8(x byte) int {
+pub fn len_8(x u8) int {
 	return int(len_8_tab[x])
 }
 

vlib/net/websocket/handshake.v

@@ -114,8 +114,8 @@ fn (mut s Server) parse_client_handshake(client_handshake string, mut c Client)
 // read_handshake_str returns the handshake response
 fn (mut ws Client) read_handshake_str() ?string {
 	mut total_bytes_read := 0
-	mut msg := [1024]byte{}
+	mut msg := [1024]u8{}
-	mut buffer := [1]byte{}
+	mut buffer := [1]u8{}
 	for total_bytes_read < 1024 {
 		bytes_read := ws.socket_read_ptr(&buffer[0], 1) ?
 		if bytes_read == 0 {

vlib/os/fd.c.v

@@ -22,7 +22,7 @@ pub fn fd_write(fd int, s string) {
 			return
 		}
 		remaining = remaining - written
-		sp = unsafe { sp + written }
+		sp = unsafe { voidptr(sp + written)}
 	}
 }
 

vlib/os/file.c.v

@@ -281,7 +281,7 @@ pub fn (mut f File) write_full_buffer(buffer voidptr, buffer_len usize) ? {
 	if !f.is_opened {
 		return error_file_not_opened()
 	}
-	mut ptr := &byte(buffer)
+	mut ptr := &u8(buffer)
 	mut remaining_bytes := i64(buffer_len)
 	for remaining_bytes > 0 {
 		unsafe {
@@ -390,12 +390,12 @@ pub fn (f &File) read_bytes_into_newline(mut buf []byte) ?int {
 				}
 			}
 			newline {
-				buf[buf_ptr] = byte(c)
+				buf[buf_ptr] = u8(c)
 				nbytes++
 				return nbytes
 			}
 			else {
-				buf[buf_ptr] = byte(c)
+				buf[buf_ptr] = u8(c)
 				buf_ptr++
 				nbytes++
 			}

vlib/os/os.c.v

@@ -230,7 +230,7 @@ pub fn cp(src string, dst string) ? {
 		}
 		// TODO use defer{} to close files in case of error or return.
 		// Currently there is a C-Error when building.
-		mut buf := [1024]byte{}
+		mut buf := [1024]u8{}
 		mut count := 0
 		for {
 			count = C.read(fp_from, &buf[0], sizeof(buf))

vlib/os/os_nix.c.v

@@ -242,7 +242,7 @@ pub fn loginname() string {
 	return ''
 }
 
-fn init_os_args(argc int, argv &&byte) []string {
+fn init_os_args(argc int, argv &&u8) []string {
 	mut args_ := []string{len: argc}
 	for i in 0 .. argc {
 		args_[i] = unsafe { tos_clone(argv[i]) }
@@ -267,7 +267,7 @@ pub fn ls(path string) ?[]string {
 			break
 		}
 		unsafe {
-			bptr := &byte(&ent.d_name[0])
+			bptr := &u8(&ent.d_name[0])
 			if bptr[0] == 0 || (bptr[0] == `.` && bptr[1] == 0)
 				|| (bptr[0] == `.` && bptr[1] == `.` && bptr[2] == 0) {
 				continue
@@ -348,7 +348,7 @@ pub fn execute(cmd string) Result {
 	defer {
 		unsafe { res.free() }
 	}
-	buf := [4096]byte{}
+	buf := [4096]u8{}
 	unsafe {
 		pbuf := &buf[0]
 		for {
@@ -381,7 +381,7 @@ pub fn (mut c Command) start() ? {
 
 [manualfree]
 pub fn (mut c Command) read_line() string {
-	buf := [4096]byte{}
+	buf := [4096]u8{}
 	mut res := strings.new_builder(1024)
 	defer {
 		unsafe { res.free() }
@@ -462,7 +462,7 @@ pub fn debugger_present() bool {
 	return false
 }
 
-fn C.mkstemp(stemplate &byte) int
+fn C.mkstemp(stemplate &u8) int
 
 // `is_writable_folder` - `folder` exists and is writable to the process
 [manualfree]

vlib/rand/rand.c.v

@@ -22,7 +22,7 @@ fn internal_uuid_v4(mut rng PRNG) string {
 		x += 0x3030303030303030
 		// write the ASCII codes to the buffer:
 		for c < 8 && i_buf < buflen {
-			d = byte(x)
+			d = u8(x)
 			unsafe {
 				buf[i_buf] = if d > 0x39 { d + 0x27 } else { d }
 			}
@@ -33,7 +33,7 @@ fn internal_uuid_v4(mut rng PRNG) string {
 	}
 	// there are still some random bits in x:
 	x = x >> 8
-	d = byte(x)
+	d = u8(x)
 	unsafe {
 		// From https://www.ietf.org/rfc/rfc4122.txt :
 		// >> Set the two most significant bits (bits 6 and 7) of the clock_seq_hi_and_reserved

vlib/rand/wyrand/wyrand.v

@@ -39,14 +39,14 @@ pub fn (mut rng WyRandRNG) byte() byte {
 	// Can we extract a value from the buffer?
 	if rng.bytes_left >= 1 {
 		rng.bytes_left -= 1
-		value := byte(rng.buffer)
+		value := u8(rng.buffer)
 		rng.buffer >>= 8
 		return value
 	}
 	// Add a new value to the buffer
 	rng.buffer = rng.u64()
 	rng.bytes_left = 7
-	value := byte(rng.buffer)
+	value := u8(rng.buffer)
 	rng.buffer >>= 8
 	return value
 }

vlib/strconv/atoi.v

@@ -98,7 +98,7 @@ pub fn common_parse_uint2(s string, _base int, _bit_size int) (u64, int) {
 		} else {
 			return n, i + 1
 		}
-		if d >= byte(base) {
+		if d >= u8(base) {
 			return n, i + 1
 		}
 		if n >= cutoff {

vlib/strconv/f32_str.c.v

@@ -64,7 +64,7 @@ pub fn (d Dec32) get_string_32(neg bool, i_n_digit int, i_pad_digit int) string
 		fw_zeros = pad_digit - out_len
 	}
 
-	mut buf := []byte{len: int(out_len + 5 + 1 + 1)} // sign + mant_len + . +  e + e_sign + exp_len(2) + \0}
+	mut buf := []u8{len: int(out_len + 5 + 1 + 1)} // sign + mant_len + . +  e + e_sign + exp_len(2) + \0}
 	mut i := 0
 
 	if neg {
@@ -92,7 +92,7 @@ pub fn (d Dec32) get_string_32(neg bool, i_n_digit int, i_pad_digit int) string
 	y := i + out_len
 	mut x := 0
 	for x < (out_len - disp - 1) {
-		buf[y - x] = `0` + byte(out % 10)
+		buf[y - x] = `0` + u8(out % 10)
 		out /= 10
 		i++
 		x++
@@ -102,7 +102,7 @@ pub fn (d Dec32) get_string_32(neg bool, i_n_digit int, i_pad_digit int) string
 	if i_n_digit == 0 {
 		unsafe {
 			buf[i] = 0
-			return tos(&byte(&buf[0]), i)
+			return tos(&u8(&buf[0]), i)
 		}
 	}
 
@@ -113,7 +113,7 @@ pub fn (d Dec32) get_string_32(neg bool, i_n_digit int, i_pad_digit int) string
 	}
 
 	if y - x >= 0 {
-		buf[y - x] = `0` + byte(out % 10)
+		buf[y - x] = `0` + u8(out % 10)
 		i++
 	}
 
@@ -139,14 +139,14 @@ pub fn (d Dec32) get_string_32(neg bool, i_n_digit int, i_pad_digit int) string
 	// Always print two digits to match strconv's formatting.
 	d1 := exp % 10
 	d0 := exp / 10
-	buf[i] = `0` + byte(d0)
+	buf[i] = `0` + u8(d0)
 	i++
-	buf[i] = `0` + byte(d1)
+	buf[i] = `0` + u8(d1)
 	i++
 	buf[i] = 0
 
 	return unsafe {
-		tos(&byte(&buf[0]), i)
+		tos(&u8(&buf[0]), i)
 	}
 }
 
@@ -197,7 +197,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 	mut e10 := 0
 	mut vm_is_trailing_zeros := false
 	mut vr_is_trailing_zeros := false
-	mut last_removed_digit := byte(0)
+	mut last_removed_digit := u8(0)
 
 	if e2 >= 0 {
 		q := log10_pow2(e2)
@@ -215,7 +215,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 			// we've found that 32-bit arithmetic is faster even on
 			// 64-bit machines.
 			l := pow5_inv_num_bits_32 + pow5_bits(int(q - 1)) - 1
-			last_removed_digit = byte(mul_pow5_invdiv_pow2(mv, q - 1, -e2 + int(q - 1) + l) % 10)
+			last_removed_digit = u8(mul_pow5_invdiv_pow2(mv, q - 1, -e2 + int(q - 1) + l) % 10)
 		}
 		if q <= 9 {
 			// The largest power of 5 that fits in 24 bits is 5^10,
@@ -240,7 +240,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 		vm = mul_pow5_div_pow2(mm, u32(i), j)
 		if q != 0 && ((vp - 1) / 10) <= vm / 10 {
 			j = int(q) - 1 - (pow5_bits(i + 1) - pow5_num_bits_32)
-			last_removed_digit = byte(mul_pow5_div_pow2(mv, u32(i + 1), j) % 10)
+			last_removed_digit = u8(mul_pow5_div_pow2(mv, u32(i + 1), j) % 10)
 		}
 		if q <= 1 {
 			// {vr,vp,vm} is trailing zeros if {mv,mp,mm} has at
@@ -270,7 +270,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 		for vp / 10 > vm / 10 {
 			vm_is_trailing_zeros = vm_is_trailing_zeros && (vm % 10) == 0
 			vr_is_trailing_zeros = vr_is_trailing_zeros && (last_removed_digit == 0)
-			last_removed_digit = byte(vr % 10)
+			last_removed_digit = u8(vr % 10)
 			vr /= 10
 			vp /= 10
 			vm /= 10
@@ -279,7 +279,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 		if vm_is_trailing_zeros {
 			for vm % 10 == 0 {
 				vr_is_trailing_zeros = vr_is_trailing_zeros && (last_removed_digit == 0)
-				last_removed_digit = byte(vr % 10)
+				last_removed_digit = u8(vr % 10)
 				vr /= 10
 				vp /= 10
 				vm /= 10
@@ -301,7 +301,7 @@ fn f32_to_decimal(mant u32, exp u32) Dec32 {
 		// are relative to this. Loop iterations below (approximately):
 		// 0: 13.6%, 1: 70.7%, 2: 14.1%, 3: 1.39%, 4: 0.14%, 5+: 0.01%
 		for vp / 10 > vm / 10 {
-			last_removed_digit = byte(vr % 10)
+			last_removed_digit = u8(vr % 10)
 			vr /= 10
 			vp /= 10
 			vm /= 10

vlib/strconv/f64_str.c.v

@@ -35,7 +35,7 @@ fn (d Dec64) get_string_64(neg bool, i_n_digit int, i_pad_digit int) string {
 		fw_zeros = pad_digit - out_len
 	}
 
-	mut buf := []byte{len: (out_len + 6 + 1 + 1 + fw_zeros)} // sign + mant_len + . +  e + e_sign + exp_len(2) + \0}
+	mut buf := []u8{len: (out_len + 6 + 1 + 1 + fw_zeros)} // sign + mant_len + . +  e + e_sign + exp_len(2) + \0}
 	mut i := 0
 
 	if neg {
@@ -68,7 +68,7 @@ fn (d Dec64) get_string_64(neg bool, i_n_digit int, i_pad_digit int) string {
 	y := i + out_len
 	mut x := 0
 	for x < (out_len - disp - 1) {
-		buf[y - x] = `0` + byte(out % 10)
+		buf[y - x] = `0` + u8(out % 10)
 		out /= 10
 		i++
 		x++
@@ -78,7 +78,7 @@ fn (d Dec64) get_string_64(neg bool, i_n_digit int, i_pad_digit int) string {
 	if i_n_digit == 0 {
 		unsafe {
 			buf[i] = 0
-			return tos(&byte(&buf[0]), i)
+			return tos(&u8(&buf[0]), i)
 		}
 	}
 
@@ -89,7 +89,7 @@ fn (d Dec64) get_string_64(neg bool, i_n_digit int, i_pad_digit int) string {
 	}
 
 	if y - x >= 0 {
-		buf[y - x] = `0` + byte(out % 10)
+		buf[y - x] = `0` + u8(out % 10)
 		i++
 	}
 
@@ -118,17 +118,17 @@ fn (d Dec64) get_string_64(neg bool, i_n_digit int, i_pad_digit int) string {
 	d1 := exp % 10
 	d0 := exp / 10
 	if d0 > 0 {
-		buf[i] = `0` + byte(d0)
+		buf[i] = `0` + u8(d0)
 		i++
 	}
-	buf[i] = `0` + byte(d1)
+	buf[i] = `0` + u8(d1)
 	i++
-	buf[i] = `0` + byte(d2)
+	buf[i] = `0` + u8(d2)
 	i++
 	buf[i] = 0
 
 	return unsafe {
-		tos(&byte(&buf[0]), i)
+		tos(&u8(&buf[0]), i)
 	}
 }
 
@@ -243,7 +243,7 @@ fn f64_to_decimal(mant u64, exp u64) Dec64 {
 	// Step 4: Find the shortest decimal representation
 	// in the interval of valid representations.
 	mut removed := 0
-	mut last_removed_digit := byte(0)
+	mut last_removed_digit := u8(0)
 	mut out := u64(0)
 	// On average, we remove ~2 digits.
 	if vm_is_trailing_zeros || vr_is_trailing_zeros {
@@ -259,7 +259,7 @@ fn f64_to_decimal(mant u64, exp u64) Dec64 {
 			vr_mod_10 := vr % 10
 			vm_is_trailing_zeros = vm_is_trailing_zeros && vm_mod_10 == 0
 			vr_is_trailing_zeros = vr_is_trailing_zeros && (last_removed_digit == 0)
-			last_removed_digit = byte(vr_mod_10)
+			last_removed_digit = u8(vr_mod_10)
 			vr = vr_div_10
 			vp = vp_div_10
 			vm = vm_div_10
@@ -276,7 +276,7 @@ fn f64_to_decimal(mant u64, exp u64) Dec64 {
 				vr_div_10 := vr / 10
 				vr_mod_10 := vr % 10
 				vr_is_trailing_zeros = vr_is_trailing_zeros && (last_removed_digit == 0)
-				last_removed_digit = byte(vr_mod_10)
+				last_removed_digit = u8(vr_mod_10)
 				vr = vr_div_10
 				vp = vp_div_10
 				vm = vm_div_10

vlib/strconv/format_mem.c.v

@@ -95,7 +95,7 @@ pub fn format_dec_sb(d u64, p BF_param, mut res strings.Builder) {
 	//===========================================
 	// Speed version
 	// max u64 18446744073709551615 => 20 byte
-	mut buf := [32]byte{}
+	mut buf := [32]u8{}
 	mut i := 20
 	mut n := d
 	mut d_i := u64(0)
@@ -147,7 +147,7 @@ pub fn f64_to_str_lnd1(f f64, dec_digit int) string {
 
 		m_sgn_flag := false
 		mut sgn := 1
-		mut b := [26]byte{}
+		mut b := [26]u8{}
 		mut d_pos := 1
 		mut i := 0
 		mut i1 := 0
@@ -209,7 +209,7 @@ pub fn f64_to_str_lnd1(f f64, dec_digit int) string {
 
 		// allocate exp+32 chars for the return string
 		// mut res := []byte{len:exp+32,init:`0`}
-		mut res := []byte{len: exp + 32, init: 0}
+		mut res := []u8{len: exp + 32, init: 0}
 		mut r_i := 0 // result string buffer index
 
 		// println("s:${sgn} b:${b[0]} es:${exp_sgn} exp:${exp}")
@@ -490,7 +490,7 @@ pub fn remove_tail_zeros(s string) string {
 			mut i_s1 := i_s + 1
 			mut sum := 0
 			for i_s1 < s.len && s[i_s1] >= `0` && s[i_s1] <= `9` {
-				sum += s[i_s1] - byte(`0`)
+				sum += s[i_s1] - u8(`0`)
 				i_s1++
 			}
 			// decimal part must be copied

vlib/strconv/utilities.c.v

@@ -68,7 +68,7 @@ pub fn fxx_to_str_l_parse(s string) string {
 
 	m_sgn_flag := false
 	mut sgn := 1
-	mut b := [26]byte{}
+	mut b := [26]u8{}
 	mut d_pos := 1
 	mut i := 0
 	mut i1 := 0
@@ -119,7 +119,7 @@ pub fn fxx_to_str_l_parse(s string) string {
 	}
 
 	// allocate exp+32 chars for the return string
-	mut res := []byte{len: exp + 32, init: 0}
+	mut res := []u8{len: exp + 32, init: 0}
 	mut r_i := 0 // result string buffer index
 
 	// println("s:${sgn} b:${b[0]} es:${exp_sgn} exp:${exp}")
@@ -191,7 +191,7 @@ pub fn fxx_to_str_l_parse_no_dot(s string) string {
 
 	m_sgn_flag := false
 	mut sgn := 1
-	mut b := [26]byte{}
+	mut b := [26]u8{}
 	mut d_pos := 1
 	mut i := 0
 	mut i1 := 0
@@ -242,7 +242,7 @@ pub fn fxx_to_str_l_parse_no_dot(s string) string {
 	}
 
 	// allocate exp+32 chars for the return string
-	mut res := []byte{len: exp + 32, init: 0}
+	mut res := []u8{len: exp + 32, init: 0}
 	mut r_i := 0 // result string buffer index
 
 	// println("s:${sgn} b:${b[0]} es:${exp_sgn} exp:${exp}")

vlib/strings/builder.c.v

@@ -28,7 +28,7 @@ pub fn (mut b Builder) write_ptr(ptr &byte, len int) {
 // write_rune appends a single rune to the accumulated buffer
 [manualfree]
 pub fn (mut b Builder) write_rune(r rune) {
-	mut buffer := [5]byte{}
+	mut buffer := [5]u8{}
 	res := unsafe { utf32_to_str_no_malloc(u32(r), &buffer[0]) }
 	if res.len == 0 {
 		return
@@ -38,7 +38,7 @@ pub fn (mut b Builder) write_rune(r rune) {
 
 // write_runes appends all the given runes to the accumulated buffer
 pub fn (mut b Builder) write_runes(runes []rune) {
-	mut buffer := [5]byte{}
+	mut buffer := [5]u8{}
 	for r in runes {
 		res := unsafe { utf32_to_str_no_malloc(u32(r), &buffer[0]) }
 		if res.len == 0 {
@@ -107,7 +107,7 @@ pub fn (mut b Builder) go_back(n int) {
 fn (b &Builder) spart(start_pos int, n int) string {
 	unsafe {
 		mut x := malloc_noscan(n + 1)
-		vmemcpy(x, &byte(b.data) + start_pos, n)
+		vmemcpy(x, &u8(b.data) + start_pos, n)
 		x[n] = 0
 		return tos(x, n)
 	}

vlib/sync/channels.c.v

@@ -32,8 +32,8 @@ enum Direction {
 }
 
 struct Channel {
-	ringbuf   &byte // queue for buffered channels
+	ringbuf   &u8 // queue for buffered channels
-	statusbuf &byte // flags to synchronize write/read in ringbuf
+	statusbuf &u8 // flags to synchronize write/read in ringbuf
 	objsize   u32
 mut: // atomic
 	writesem           Semaphore // to wake thread that wanted to write, but buffer was full
@@ -70,8 +70,8 @@ pub fn new_channel<T>(n u32) &Channel {
 fn new_channel_st(n u32, st u32) &Channel {
 	wsem := if n > 0 { n } else { 1 }
 	rsem := if n > 0 { u32(0) } else { 1 }
-	rbuf := if n > 0 { unsafe { malloc(int(n * st)) } } else { &byte(0) }
+	rbuf := if n > 0 { unsafe { malloc(int(n * st)) } } else { &u8(0) }
-	sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &byte(0) }
+	sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &u8(0) }
 	mut ch := Channel{
 		objsize: st
 		cap: n
@@ -93,8 +93,8 @@ fn new_channel_st_noscan(n u32, st u32) &Channel {
 	$if gcboehm_opt ? {
 		wsem := if n > 0 { n } else { 1 }
 		rsem := if n > 0 { u32(0) } else { 1 }
-		rbuf := if n > 0 { unsafe { malloc_noscan(int(n * st)) } } else { &byte(0) }
+		rbuf := if n > 0 { unsafe { malloc_noscan(int(n * st)) } } else { &u8(0) }
-		sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &byte(0) }
+		sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &u8(0) }
 		mut ch := Channel{
 			objsize: st
 			cap: n
@@ -322,7 +322,7 @@ fn (mut ch Channel) try_push_priv(src voidptr, no_block bool) ChanState {
 				mut wr_ptr := ch.ringbuf
 				mut status_adr := ch.statusbuf
 				unsafe {
-					wr_ptr += wr_idx * ch.objsize
+					wr_ptr += (wr_idx * ch.objsize)
 					status_adr += wr_idx * sizeof(u16)
 				}
 				mut expected_status := u16(BufferElemStat.unused)

vlib/term/declarations_default.c.v

@@ -6,5 +6,5 @@ mut:
 	c_oflag int
 	c_cflag int
 	c_lflag int
-	c_cc    [20]byte
+	c_cc    [20]u8
 }

vlib/term/term.v

@@ -85,7 +85,7 @@ pub fn strip_ansi(text string) string {
 	// This is a port of https://github.com/kilobyte/colorized-logs/blob/master/ansi2txt.c
 	// \e, [, 1, m, a, b, c, \e, [, 2, 2, m => abc
 	mut input := textscanner.new(text)
-	mut output := []byte{cap: text.len}
+	mut output := []u8{cap: text.len}
 	mut ch := 0
 	for ch != -1 {
 		ch = input.next()
@@ -117,7 +117,7 @@ pub fn strip_ansi(text string) string {
 				ch = input.next()
 			}
 		} else if ch != -1 {
-			output << byte(ch)
+			output << u8(ch)
 		}
 	}
 	return output.bytestr()

vlib/term/ui/declarations_default.c.v

@@ -6,5 +6,5 @@ mut:
 	c_oflag int
 	c_cflag int
 	c_lflag int
-	c_cc    [20]byte
+	c_cc    [20]u8
 }

vlib/v/checker/comptime.v

@@ -286,7 +286,7 @@ fn (mut c Checker) eval_comptime_const_expr(expr ast.Expr, nlevel int) ?ast.Comp
 					.unsigned_right_shift { return i64(u64(left) >>> right) }
 					else { return none }
 				}
-			} else if left is byte && right is byte {
+			} else if left is u8 && right is u8 {
 				match expr.op {
 					.plus { return left + right }
 					.minus { return left - right }

vlib/v/gen/c/cgen.v

@@ -4304,7 +4304,7 @@ fn (mut g Gen) const_decl_precomputed(mod string, name string, ct_value ast.Comp
 				if rune_code in [`"`, `\\`, `'`] {
 					return false
 				}
-				escval := util.smart_quote(byte(rune_code).ascii_str(), false)
+				escval := util.smart_quote(u8(rune_code).ascii_str(), false)
 				g.const_decl_write_precomputed(styp, cname, "'$escval'")
 			} else {
 				g.const_decl_write_precomputed(styp, cname, u32(ct_value).str())

vlib/v/gen/c/cheaders.v

@@ -102,15 +102,15 @@ fn amd64_bytes(nargs int) string {
 		else {
 			// see https://godbolt.org/z/64e5TEf5n for similar assembly
 			mut sb := strings.new_builder(256)
-			s := (((byte(nargs) & 1) + 1) << 3).hex()
+			s := (((u8(nargs) & 1) + 1) << 3).hex()
 			sb.write_string('0x48, 0x83, 0xec, 0x$s, ') // sub rsp,0x8  <OR>  sub rsp,0x10
 			sb.write_string('0xff, 0x35, 0xe6, 0xff, 0xff, 0xff, ') // push QWORD PTR [rip+0xffffffffffffffe6]
 
-			rsp_offset := byte(0x18 + ((byte(nargs - 7) >> 1) << 4)).hex()
+			rsp_offset := byte(0x18 + ((u8(nargs - 7) >> 1) << 4)).hex()
 			for _ in 0 .. nargs - 7 {
 				sb.write_string('0xff, 0xb4, 0x24, 0x$rsp_offset, 0x00, 0x00, 0x00, ') // push QWORD PTR [rsp+$rsp_offset]
 			}
-			sb.write_string('0xff, 0x15, 0x${byte(256 - sb.len / 6 - 6 - 8).hex()}, 0xff, 0xff, 0xff, ') // call   QWORD PTR [rip+OFFSET]
+			sb.write_string('0xff, 0x15, 0x${u8(256 - sb.len / 6 - 6 - 8).hex()}, 0xff, 0xff, 0xff, ') // call   QWORD PTR [rip+OFFSET]
 			sb.write_string('0x48, 0x81, 0xc4, 0x$rsp_offset, 0x00, 0x00, 0x00, ') // add rsp,$rsp_offset
 			sb.write_string('0xc3') // ret
 

vlib/v/gen/c/fn.v

@@ -1074,7 +1074,7 @@ fn (mut g Gen) method_call(node ast.CallExpr) {
 			// g.write('&')
 		} else if diff > 0 {
 			g.write('/*diff=$diff*/')
-			g.write([]byte{len: diff, init: `*`}.bytestr())
+			g.write([]u8{len: diff, init: `*`}.bytestr())
 		}
 	}
 

vlib/v/gen/c/str_intp.v

@@ -116,7 +116,7 @@ fn (mut g Gen) str_format(node ast.StringInterLiteral, i int) (u64, string) {
 		pad_ch = 1
 	}
 	res := get_str_intp_u32_format(fmt_type, node.fwidths[i], node.precisions[i], remove_tail_zeros,
-		node.pluss[i], byte(pad_ch), base, upper_case)
+		node.pluss[i], u8(pad_ch), base, upper_case)
 	//
 	return res, fmt_type.str()
 }

vlib/v/parser/parse_type.v

@@ -560,7 +560,7 @@ pub fn (mut p Parser) parse_any_type(language ast.Language, is_ptr bool, check_d
 					'i64' {
 						ret = ast.i64_type
 					}
-					'byte' {
+					'u8' {
 						ret = ast.byte_type
 					}
 					'u16' {

vlib/v/scanner/scanner.v

@@ -1279,7 +1279,7 @@ fn decode_h_escapes(s string, start int, escapes_pos []int) string {
 		idx := pos - start
 		end_idx := idx + 4 // "\xXX".len == 4
 		// notice this function doesn't do any decoding... it just replaces '\xc0' with the byte 0xc0
-		ss << [byte(strconv.parse_uint(s[idx + 2..end_idx], 16, 8) or { 0 })].bytestr()
+		ss << [u8(strconv.parse_uint(s[idx + 2..end_idx], 16, 8) or { 0 })].bytestr()
 		if i + 1 < escapes_pos.len {
 			ss << s[end_idx..escapes_pos[i + 1] - start]
 		} else {
@@ -1300,7 +1300,7 @@ fn decode_o_escapes(s string, start int, escapes_pos []int) string {
 		idx := pos - start
 		end_idx := idx + 4 // "\XXX".len == 4
 		// notice this function doesn't do any decoding... it just replaces '\141' with the byte 0o141
-		ss << [byte(strconv.parse_uint(s[idx + 1..end_idx], 8, 8) or { 0 })].bytestr()
+		ss << [u8(strconv.parse_uint(s[idx + 1..end_idx], 8, 8) or { 0 })].bytestr()
 		if i + 1 < escapes_pos.len {
 			ss << s[end_idx..escapes_pos[i + 1] - start]
 		} else {

vlib/v/util/version/version.v

@@ -6,7 +6,7 @@ pub const v_version = '0.2.4'
 
 // vhash() returns the build string C.V_COMMIT_HASH . See cmd/tools/gen_vc.v .
 pub fn vhash() string {
-	mut buf := [50]byte{}
+	mut buf := [50]u8{}
 	buf[0] = 0
 	unsafe {
 		bp := &buf[0]
@@ -75,7 +75,7 @@ pub fn githash(should_get_from_filesystem bool) string {
 		}
 		break
 	}
-	mut buf := [50]byte{}
+	mut buf := [50]u8{}
 	buf[0] = 0
 	unsafe {
 		bp := &buf[0]