diff --git a/compiler/modules.v b/compiler/modules.v
index 09dde6fa85..8a318cd64b 100644
--- a/compiler/modules.v
+++ b/compiler/modules.v
@@ -67,8 +67,8 @@ pub fn(graph mut ModDepGraph) add(mod string, deps []string) {
 }
 
 pub fn(graph &ModDepGraph) resolve() *ModDepGraph {
-	mut node_names := map[string]ModDepGraphNode{}
-	mut node_deps := map[string]DepSet{}
+	mut node_names := map[string]ModDepGraphNode 
+	mut node_deps := map[string]DepSet 
 
 	for _, node in graph.nodes {
 		node_names[node.name] = node
diff --git a/compiler/parser.v b/compiler/parser.v
index fdb67b6013..3bdd63efa0 100644
--- a/compiler/parser.v
+++ b/compiler/parser.v
@@ -883,8 +883,8 @@ fn (p mut Parser) get_type() string {
 			p.error('maps only support string keys for now') 
 		} 
 		p.check(.rsbr) 
-		val_type := p.check_name() 
-		typ= 'map_$val_type' 
+		val_type := p.get_type()// p.check_name() 
+		typ = 'map_$val_type' 
 		p.register_map(typ)
 		return typ 
 	} 
@@ -2603,15 +2603,19 @@ fn (p mut Parser) map_init() string {
 		p.error('only string key maps allowed for now')
 	}
 	p.check(.rsbr)
-	val_type = p.check_name()
-	if !p.table.known_type(val_type) {
-		p.error('map init unknown type "$val_type"')
-	}
+	val_type = p.get_type()/// p.check_name()
+	//if !p.table.known_type(val_type) {
+		//p.error('map init unknown type "$val_type"')
+	//}
 	typ := 'map_$val_type'
 	p.register_map(typ)
 	p.gen('new_map(1, sizeof($val_type))')
-	p.check(.lcbr)
-	p.check(.rcbr)
+	if p.tok == .lcbr {
+		p.check(.lcbr)
+		p.check(.rcbr)
+		println('warning: $p.file_name:$p.scanner.line_nr ' +
+		 'initializaing maps no longer requires `{}`') 
+	} 
 	return typ
 }
 
diff --git a/compiler/table.v b/compiler/table.v
index 293d08bb07..9726cd6b5a 100644
--- a/compiler/table.v
+++ b/compiler/table.v
@@ -137,8 +137,8 @@ fn is_primitive_type(typ string) bool {
 
 fn new_table(obfuscate bool) *Table {
 	mut t := &Table {
-		obf_ids: map[string]int{}
-		fns: map[string]Fn{}
+		obf_ids: map[string]int 
+		fns: map[string]Fn 
 		//generic_fns: map[string]GenTable{} 
 		generic_fns: []GenTable 
 		obfuscate: obfuscate
@@ -818,7 +818,7 @@ fn (table &Table) qualify_module(mod string, file_path string) string {
 fn new_file_import_table(file_path string) *FileImportTable {
 	return &FileImportTable{
 		file_path: file_path
-		imports:   map[string]string{}
+		imports:   map[string]string 
 	}
 }
 
diff --git a/compiler/token.v b/compiler/token.v
index 3408bad969..836f3d0810 100644
--- a/compiler/token.v
+++ b/compiler/token.v
@@ -114,7 +114,7 @@ enum Token {
 // build_keys genereates a map with keywords' string values:
 // Keywords['return'] == .key_return
 fn build_keys() map[string]int {
-	mut res := map[string]int{}
+	mut res := map[string]int 
 	for t := int(Token.keyword_beg) + 1; t < int(Token.keyword_end); t++ {
 		key := TokenStr[t]
 		res[key] = int(t)
@@ -127,11 +127,11 @@ fn build_token_str() []string {
 	mut s := [''; NrTokens]
 	s[Token.keyword_beg] = ''
 	s[Token.keyword_end] = ''
-	s[Token.eof] = '.eof'
-	s[Token.name] = '.name'
-	s[Token.number] = '.number'
+	s[Token.eof] = 'eof'
+	s[Token.name] = 'name'
+	s[Token.number] = 'number'
 	s[Token.str] = 'STR'
-	s[Token.chartoken] = '.chartoken'
+	s[Token.chartoken] = 'char'
 	s[Token.plus] = '+'
 	s[Token.minus] = '-'
 	s[Token.mul] = '*'
@@ -198,7 +198,6 @@ fn build_token_str() []string {
 	s[Token.key_type] = 'type'
 	s[Token.key_for] = 'for'
 	s[Token.key_switch] = 'switch'
-	//Tokens[MATCH] = 'match'
 	s[Token.key_case] = 'case'
 	s[Token.func] = 'fn'
 	s[Token.key_true] = 'true'
@@ -207,7 +206,7 @@ fn build_token_str() []string {
 	s[Token.key_break] = 'break'
 	s[Token.key_import] = 'import'
 	s[Token.key_embed] = 'embed'
-	//Tokens[TYP.eof] = 'typeof'
+	//Tokens[key_typeof] = 'typeof'
 	s[Token.key_default] = 'default'
 	s[Token.key_enum] = 'enum'
 	s[Token.key_interface] = 'interface'
diff --git a/vlib/builtin/array.v b/vlib/builtin/array.v
index 2f1595d177..e71e4d1cf7 100644
--- a/vlib/builtin/array.v
+++ b/vlib/builtin/array.v
@@ -14,7 +14,6 @@ pub:
 	len          int
 	cap          int
 	element_size int
-	 
 }
 
 // Private function, used by V (`nums := []int`)
diff --git a/vlib/builtin/map_test.v b/vlib/builtin/map_test.v
index 57d4378abd..087ff3b773 100644
--- a/vlib/builtin/map_test.v
+++ b/vlib/builtin/map_test.v
@@ -14,7 +14,7 @@ fn (a mut A) set(key string, val int) {
 }
 
 fn test_map() {
-	mut m := map[string]int{}
+	mut m := map[string]int
 	assert m.size == 0 
 	m['hi'] = 80
 	m['hello'] = 101 
@@ -43,13 +43,13 @@ fn test_map() {
 	assert m.keys().len == 1 
 	assert m.keys()[0] == 'hello' 
 	//// 
-	mut users := map[string]User{} 
+	mut users := map[string]User 
 	users['1'] = User{'Peter'} 
 	peter := users['1']
 	assert  peter.name == 'Peter' 
 	mut a := A{
-		m: map[string]int{} 
-		users: map[string]User{} 
+		m: map[string]int 
+		users: map[string]User 
 	}
 	a.users['Bob'] = User{'Bob'} 
 	q := a.users['Bob'] 
@@ -73,7 +73,7 @@ fn test_string_map() {
 
 fn test_large_map() { 
 	//ticks := time.ticks() 
-	mut nums := map[string]int{} 
+	mut nums := map[string]int 
 	N := 30 * 1000
 	for i := 0; i < N; i++ {
 	        key := i.str()
@@ -86,71 +86,80 @@ fn test_large_map() {
 } 
 
 fn test_various_map_value() {
-	mut m1 := map[string]int{}
+	mut m1 := map[string]int
 	m1['test'] = 1
 	assert m1['test'] == 1
 	
-	mut m2 := map[string]string{}
+	mut m2 := map[string]string
 	m2['test'] = 'test'
 	assert m2['test'] == 'test'
 	
-	mut m3 := map[string]i8{}
+	mut m3 := map[string]i8
 	m3['test'] = i8(0)
 	assert m3['test'] == i8(0)
 	
-	mut m4 := map[string]i16{}
+	mut m4 := map[string]i16
 	m4['test'] = i16(0)
 	assert m4['test'] == i16(0)
 	
-	mut m5 := map[string]i32{}
+	mut m5 := map[string]i32
 	m5['test'] = i32(0)
 	assert m5['test'] == i32(0)
 	
-	mut m6 := map[string]u8{}
+	mut m6 := map[string]u8
 	m6['test'] = u8(0)
 	assert m6['test'] == u8(0)
 	
-	mut m7 := map[string]u16{}
+	mut m7 := map[string]u16
 	m7['test'] = u16(0)
 	assert m7['test'] == u16(0)
 	
-	mut m8 := map[string]u32{}
+	mut m8 := map[string]u32
 	m8['test'] = u32(0)
 	assert m8['test'] == u32(0)
 	
-	mut m9 := map[string]bool{}
+	mut m9 := map[string]bool
 	m9['test'] = true
 	assert m9['test'] == true
 	
-	mut m10 := map[string]byte{}
+	mut m10 := map[string]byte
 	m10['test'] = byte(0)
 	assert m10['test'] == byte(0)
 	
-	mut m11 := map[string]f32{}
+	mut m11 := map[string]f32
 	m11['test'] = f32(0.0)
 	assert m11['test'] == f32(0.0)
 	
-	mut m12 := map[string]f64{}
+	mut m12 := map[string]f64
 	m12['test'] = f64(0.0)
 	assert m12['test'] == f64(0.0)
 
-	mut m13 := map[string]rune{}
+	mut m13 := map[string]rune
 	m13['test'] = rune(0)
 	assert m13['test'] == rune(0)
 
-	mut m14 := map[string]voidptr{}
-	m14['test'] = voidptr(0)
-	assert m14['test'] == voidptr(0)
+	//mut m14 := map[string]voidptr
+	//m14['test'] = voidptr(0)
+	//assert m14['test'] == voidptr(0)
 
-	mut m15 := map[string]byteptr{}
-	m15['test'] = byteptr(0)
-	assert m15['test'] == byteptr(0)
+	//mut m15 := map[string]byteptr
+	//m15['test'] = byteptr(0)
+	//assert m15['test'] == byteptr(0)
 
-	mut m16 := map[string]i64{}
+	mut m16 := map[string]i64
 	m16['test'] = i64(0)
 	assert m16['test'] == i64(0)
 
-	mut m17 := map[string]u64{}
+	mut m17 := map[string]u64
 	m17['test'] = u64(0)
 	assert m17['test'] == u64(0)
 }
+
+
+fn test_string_arr() {
+	mut m := map[string][]string  
+	m['a'] = ['one', 'two'] 
+	assert m['a'].len == 2 
+	assert m['a'][0] == 'one' 
+	assert m['a'][1] == 'two' 
+}