Create a nullable object that has the null value and that uses the mechanism of the specified allocator to supply memory.
Synopsis
Declared in <bdlb_nullableallocatedvalue.h>
NullableAllocatedValue(
bsl::nullopt_t const& nullopt,
bsl::allocator<char> const& allocator);
Parameters
Name |
Description |
nullopt |
disengaged‐optional tag; value is unused |
allocator |
allocator used to supply memory |
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