Create a disengaged Optional_Base object.

Synopsis

Declared in <bslstl_optional.h>

Optional_Base(
    std::allocator_arg_t allocatorArg,
    allocator_type allocator);

Description

Use the specified allocator to supply memory.

Parameters

Name

Description

allocatorArg

tag selecting the allocator‐extended constructor

allocator

allocator used to supply memory

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