Create a DatumMapBuilder object managing the ownership of Datum map (owning keys) having the specified initialCapacity and initialKeysCapacity (in bytes) using the specified allocator (e.g., the address of a bslma::Allocator object) to supply memory.
Declared in <bdld_datummapowningkeysbuilder.h>
DatumMapOwningKeysBuilder(
SizeType initialCapacity,
SizeType initialKeysCapacity,
allocator_type const& allocator);