#zig build-obj {
--name test -fno-emit-bin
-Mroot=test.zig
#}

#write test.zig {
const Tag = @Enum(u1, .exhaustive, &.{ "signed", "unsigned" }, &.{ 0, 1 });
const Tagged = @Union(.auto, Tag, &.{ "signed", "unsigned", "arst" }, &.{ i32, u32, f32 }, &@splat(.{}));
export fn entry() void {
    var tagged = Tagged{ .signed = -1 };
    tagged = .{ .unsigned = 1 };
}
#}
#update
#check errors {
test.zig:2:35: error: no field named 'arst' in enum 'test.Tag'
test.zig:1:13: note: enum declared here
#}
