beman::optional::optional::and_then

Returns an optional containing the result of applying f to the stored value.

Synopses

Returns an optional containing the result of applying f to the stored value.

template<class F>
constexpr
auto
and_then(F&& f) &;

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Returns an optional containing the result of applying f to the stored value.

template<class F>
constexpr
auto
and_then(F&& f) &&;

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Returns an optional containing the result of applying f to the stored value.

template<class F>
constexpr
auto
and_then(F&& f) const &;

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Returns an optional containing the result of applying f to the stored value.

template<class F>
constexpr
auto
and_then(F&& f) const &&;

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Return Value

auto