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

#write test.zig {
comptime {
    _ = @TypeOf(.{}).is_optional;
}
#}
#update
#check errors {
test.zig:2:21: error: struct '@TypeOf(.{})' has no member named 'is_optional'
#}
