#zig build-exe {
--name test
-Mroot=test.zig
#}

#write test.zig {
const Err = error{Foo};

fn foo() u8 {
    return @intCast(9);
}

pub fn main() !u8 {
    if (foo() == 7) return Err.Foo;
    return 123;
}
#}
#update
#check errors
