fixes(hashmap): try fix test failure
@@ -102,6 +102,7 @@ macro_rules! lookup_impl {
match self.flags[key as usize] {
true => Err(&mut self.data[key as usize]),
false => {
+ self.flags[key as usize] = true;
let e = &mut self.data[key as usize];
self.len += 1;
e.key.write(key);
