Return an optional containing a value constructed from the arguments.

Synopsis

Declared in <bslstl_optional.h>

template<class t_TYPE>
constexpr
bsl::optional<bsl::decay<t_TYPE>::type>
make_optional(t_TYPE&& rhs);

Description

Return an optional object containing a t_TYPE object created by invoking a bsl::optional constructor with the specified rhs as the constructor argument. If t_TYPE uses an allocator, the default allocator will be used for the optional object. This function can be called in constant expressions only if t_TYPE is not allocator‐aware.

Return Value

optional containing a t_TYPE constructed from rhs

Parameters

Name

Description

rhs

right‐hand operand

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