e.g. for tuples or pairs, fn::group_adjacent_by(fn::by::get<string>{})
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#include <fn.hpp>
Public Member Functions | |
template<typename T > | |
auto | operator() (const T &x) const -> const U & |
e.g. for tuples or pairs, fn::group_adjacent_by(fn::by::get<string>{})
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inline |