parser: allow for struct Abc { f [skip] = -1 }

vlib/v/parser/struct.v

@@ -114,6 +114,13 @@ fn (mut p Parser) struct_decl() ast.StructDecl {
 			println('XXXX' + s.str())
 		}
 			*/
+			mut attrs := []string{}
+			if p.tok.kind == .lsbr {
+				parsed_attrs := p.attributes()
+				for attr in parsed_attrs {
+					attrs << attr.name
+				}
+			}
 			mut default_expr := ast.Expr{}
 			mut has_default_expr := false
 			if p.tok.kind == .assign {
@@ -129,13 +136,6 @@ fn (mut p Parser) struct_decl() ast.StructDecl {
 				}
 				has_default_expr = true
 			}
-			mut attrs := []string{}
-			if p.tok.kind == .lsbr {
-				parsed_attrs := p.attributes()
-				for attr in parsed_attrs {
-					attrs << attr.name
-				}
-			}
 			if p.tok.kind == .comment {
 				comment = p.comment()
 			}

vlib/v/tests/struct_allow_both_field_defaults_and_skip_flag_test.v

@@ -0,0 +1,23 @@
+import json
+
+struct Foo {
+	x int = 123
+	bar int [skip] = -112233
+	y int = 456
+}
+
+fn test_check_field_default_expr() {
+	f := Foo{}
+	//eprintln('f: $f')
+	assert f.bar == -112233
+	assert f.x == 123
+	assert f.y == 456
+}
+
+fn test_check_field_skip_attribute() {
+	f := Foo{}
+	s := json.encode(f)
+	//eprintln('f: $f')
+	//eprintln('s: $s')
+	assert s == '{"x":123,"y":456}'
+}