map_test.v: format + ref test

compiler/table.v

@@ -522,7 +522,7 @@ fn (p &Parser) find_type(name string) &Type {
 	return typ
 }
 
-fn (t &Table) find_type(name_ string) *Type {
+fn (t &Table) find_type(name_ string) &Type {
 	mut name := name_
 	if name.ends_with('*') && !name.contains(' ') {
 		name = name.left(name.len - 1)

vlib/builtin/map_test.v

@@ -163,3 +163,14 @@ fn test_string_arr() {
 	assert m['a'][0] == 'one'
 	assert m['a'][1] == 'two'
 }
+
+/*
+fn test_ref() {
+	m := { 'one': 1 }
+	// TODO "cannot take the address of m['one']"
+	mut one := &m['one']
+	one++
+	println(*one)
+	
+}
+*/