std::experimental::erased_type
From cppreference.com
< cpp | experimental
| Defined in header <experimental/utility>
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| struct erased_type { }; |
(library fundamentals TS) (removed in library fundamentals TS v3) |
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The class erased_type is an empty struct that serves as a placeholder for a type in situations where the actual type is determined at runtime. For example, in classes that use type-erased allocators, the nested typedef allocator_type is an alias for erased_type.
Notes
erased_type is removed in LFTS v3 because std::pmr::polymorphic_allocator<> is preferable for type erasure.