bsl::optional::optional

Explicitly create an optional by moving from the specified original using the specified allocator.

Synopsis

Declared in <bslstl_optional.h>

template<class t_ANY_TYPE>
explicit
optional(
    std::allocator_arg_t allocatorArg,
    AllocType allocator,
    BloombergLP::bslmf::MovableRef_Deduced<optional<t_ANY_TYPE>> original);

Parameters

Name

Description

allocatorArg

tag selecting the allocator‐extended constructor

allocator

allocator used to supply memory

original

source optional used to initialize this object

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