Deduce the template parameters VALUE and CONTAINER from the parameters supplied to the constructor of stack. This deduction guide does not participate if the parameter meets the requirements for a standard allocator.
Declared in <bslstl_stack.h>
template<class CONTAINER>
requires !bsl::IsStdAllocator_v<CONTAINER>
stack<CONTAINER::value_type, CONTAINER>(CONTAINER) -> stack<CONTAINER::value_type, CONTAINER>;