TartanLlama/expected
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Fix constexpr access to value() and error() (#53)

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These accessors call the private helpers `val()` and `err()`, which
should also be constexpr.
This commit is contained in:
le-migou
2019-04-25 19:39:03 +02:00
committed by Simon Brand
parent 199b5267fe
commit 57a8670798
1 changed files with 2 additions and 2 deletions
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4
tl/expected.hpp
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@@ -1164,10 +1164,10 @@ class expected : private detail::expected_move_assign_base<T, E>,
template <class U = T,
detail::enable_if_t<!std::is_void<U>::value> * = nullptr>
const U &val() const {
constexpr const U &val() const {
return this->m_val;
}
const unexpected<E> &err() const { return this->m_unexpect; }
constexpr const unexpected<E> &err() const { return this->m_unexpect; }
using impl_base = detail::expected_move_assign_base<T, E>;
using ctor_base = detail::expected_default_ctor_base<T, E>;