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Type definition allocator_arg_t



// In header: <boost/container/uses_allocator_fwd.hpp>

typedef unspecified allocator_arg_t;


The allocator_arg_t struct is an empty structure type used as a unique type to disambiguate constructor and function overloading. Specifically, several types have constructors with allocator_arg_t as the first argument, immediately followed by an argument of a type that satisfies Allocator requirements