or_else overloads

Synopses

Declared in <beman/optional/optional.hpp>

Returns an optional containing the contained value if it has one, or the result of applying f to the optional if it does not.

template<class F>
constexpr
optional<T>
or_else(F&& f) const &;

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Returns an optional containing the contained value if it has one, or the result of calling f if it does not.

template<class F>
constexpr
optional<T>
or_else(F&& f) &&;

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Return Value

  • optional

  • optional<T>

  • auto

Template Parameters

Name Description

F

An invocable type returning an optional.

Parameters

Name Description

f

The invocable to call if the optional is disengaged.

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