55 lines
1.1 KiB
V
55 lines
1.1 KiB
V
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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license that can be found in the LICENSE file.
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module builtin
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type rune = int
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pub fn (c rune) str() string {
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return utf32_to_str(u32(c))
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/*
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unsafe {
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fst_byte := int(c)>>8 * 3 & 0xff
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len := utf8_char_len(byte(fst_byte))
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println('len=$len')
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mut str := string{
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len: len
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str: malloc(len + 1)
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}
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for i in 0..len {
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str.str[i] = byte(int(c)>>8 * (3 - i) & 0xff)
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}
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str.str[len] = `\0`
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println(str)
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return str
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}
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*/
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}
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// Define this on byte as well, so that we can do `s[0].is_capital()`
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pub fn (c byte) is_capital() bool {
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return c >= `A` && c <= `Z`
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}
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pub fn (b []byte) clone() []byte {
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mut res := []byte{len: b.len}
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//mut res := make([]byte, {repeat:b.len})
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for i in 0..b.len {
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res[i] = b[i]
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}
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return res
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}
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// TODO remove this once runes are implemented
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pub fn (b []byte) bytestr() string {
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return bytes2string(b)
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}
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// TODO copy pasted from builder.v
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fn bytes2string(b []byte) string {
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mut copy := b.clone()
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copy << `\0`
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res := tos(copy.data, copy.len-1)
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return res
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}
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