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fix optional converting constructor

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bolero-MURAKAMI 2012-10-27 15:53:34 +09:00
parent 5aa4cf8cbe
commit d75283355c
2 changed files with 36 additions and 1 deletions
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2
sprout/optional/optional.hpp
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@ -58,7 +58,7 @@ namespace sprout {
template<typename U>
explicit SPROUT_CONSTEXPR optional(optional<U> const& v)
: init(v.is_initialized())
, val(v.get())
, val(v.is_initialized() ? v.get() : holder_type())
{}
optional& operator=(sprout::nullopt_t v) SPROUT_NOEXCEPT {