Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>
return this->t.value();
}
- operator T() {
- return this->unwrap();
- }
+ operator T() { return this->unwrap(); }
char const *unwrap_err() { return this->e; }
- optional<T> ok() const { return this->t; }
- optional<char const *> err() const { return optional<char const *>(this->e); }
+ optional<T> const &ok() const { return this->t; }
+ optional<char const *> err() const {
+ return this->e ? optional<char const *>(this->e) : nullopt;
+ }
result<T> map_err(std::function<char const *(char const *)> f);
};