Extracts first from pair, for transforming a map into its keys.
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#include <Utility.hpp>
Public Member Functions | |
| template<typename T > | |
| T::first_type | operator() (T pair) const |
Extracts first from pair, for transforming a map into its keys.
Definition at line 36 of file Utility.hpp.
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inline |
Definition at line 39 of file Utility.hpp.