vfmt: fix alignment of value formatting for "x := {.: 1, ♖: 2}"

vlib/v/fmt/fmt.v

@@ -2326,15 +2326,17 @@ pub fn (mut f Fmt) map_init(node ast.MapInit) {
 	for key in node.keys {
 		skey := f.node_str(key).trim_space()
 		skeys << skey
-		if skey.len > max_field_len {
+		skey_len := skey.len_utf8()
-			max_field_len = skey.len
+		if skey_len > max_field_len {
+			max_field_len = skey_len
 		}
 	}
 	for i, _ in node.keys {
 		skey := skeys[i]
 		f.write(skey)
 		f.write(': ')
-		f.write(strings.repeat(` `, max_field_len - skey.len))
+		skey_len := skey.len_utf8()
+		f.write(strings.repeat(` `, max_field_len - skey_len))
 		f.expr(node.vals[i])
 		f.comments(node.comments[i], prev_line: node.vals[i].pos().last_line, has_nl: false)
 		f.writeln('')

vlib/v/fmt/tests/map_of_strings_to_enums_init_with_utf8_keys_keep.vv

@@ -0,0 +1,35 @@
+enum Pieces {
+	empty
+	off
+	wp
+	wn
+	wb
+	wr
+	wq
+	wk
+	bp
+	bn
+	bb
+	br
+	bq
+	bk
+}
+
+const unicode_piece_map = {
+	`.`: Pieces.empty
+	`♙`: Pieces.wp
+	`♘`: Pieces.wn
+	`♗`: Pieces.wb
+	`♖`: Pieces.wr
+	`♕`: Pieces.wq
+	`♔`: Pieces.wk
+	`♟`: Pieces.bp
+	`♞`: Pieces.bn
+	`♝`: Pieces.bb
+	`♜`: Pieces.br
+	`♛`: Pieces.bq
+	`♚`: Pieces.bk
+	`o`: Pieces.off
+}
+
+dump(unicode_piece_map)

vlib/v/parser/parse_type.v

@@ -305,8 +305,11 @@ pub fn (mut p Parser) parse_language() ast.Language {
 // parse_inline_sum_type parses the type and registers it in case the type is an anonymous sum type.
 // It also takes care of inline sum types where parse_type only parses a standalone type.
 pub fn (mut p Parser) parse_inline_sum_type() ast.Type {
-	p.warn('inline sum types have been deprecated and will be removed on January 1, 2023 due ' +
+	if !p.pref.is_fmt {
-		'to complicating the language and the compiler too much; define named sum types with `type Foo = Bar | Baz` instead')
+		p.warn(
+			'inline sum types have been deprecated and will be removed on January 1, 2023 due ' +
+			'to complicating the language and the compiler too much; define named sum types with `type Foo = Bar | Baz` instead')
+	}
 	variants := p.parse_sum_type_variants()
 	if variants.len > 1 {
 		if variants.len > parser.maximum_inline_sum_type_variants {