beman::optional::optional::and_then

Applies a function to the contained value if there is one.

Synopses

Applies a function to the contained value if there is one.

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

» more...

Applies a function to the contained value if there is one.

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

» more...

Applies a function to the contained value if there is one.

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

» more...

Applies a function to the contained value if there is one.

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

» more...

Return Value

auto

Template Parameters

Name	Description
F	The type of the invocable

Parameters

Name	Description
f	The invocable to apply to the contained value