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Comparisons for unexpected, typo fixes

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This commit is contained in:
Simon Brand
2017-10-26 22:01:26 +01:00
parent 013567d050
commit afa1b9ddc9
1 changed files with 23 additions and 3 deletions
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26
expected.hpp
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@@ -63,6 +63,26 @@ using enable_if_t = typename std::enable_if<E, T>::type;
operator!=(const unexpected<E>& lhs, const unexpected<E>& rhs) {
return lhs.value() != rhs.value();
}
template <class E>
constexpr bool
operator<(const unexpected<E>& lhs, const unexpected<E>& rhs) {
return lhs.value() < rhs.value();
}
template <class E>
constexpr bool
operator<=(const unexpected<E>& lhs, const unexpected<E>& rhs) {
return lhs.value() <= rhs.value();
}
template <class E>
constexpr bool
operator>(const unexpected<E>& lhs, const unexpected<E>& rhs) {
return lhs.value() > rhs.value();
}
template <class E>
constexpr bool
operator>=(const unexpected<E>& lhs, const unexpected<E>& rhs) {
return lhs.value() >= rhs.value();
}
struct unexpect_t {
unexpect_t() = default;
@@ -292,11 +312,11 @@ class expected : private detail::expected_storage_base<T,E>, private detail::exp
static_assert(!std::is_reference<E>::value, "E must not be a reference");
static_assert(!std::is_same<T, void>::value, "T must not be void");
T* valptr() { return std::addressof(this->m_value); }
T* valptr() { return std::addressof(this->m_val); }
unexpected<E>* errptr() { return std::addressof(this->m_unexpect); }
T& val() { return this->m_value; }
T& val() { return this->m_val; }
unexpected<E>& err() { return this->m_unexpect; }
const T& val() const { return this->m_value; }
const T& val() const { return this->m_val; }
const unexpected<E>& err() const { return this->m_unexpect; }
using storage_base = detail::expected_storage_base<T,E>;