19 lines
343 B
C++
19 lines
343 B
C++
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#ifndef FBTK_SELECT2ND_HH
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#define FBTK_SELECT2ND_HH
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#include <functional>
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namespace FbTk {
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template <class A>
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class Select2nd:public std::unary_function<A, typename A::second_type> {
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public:
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typename A::second_type operator () (const A &arg) const {
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return arg.second;
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}
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};
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} // namespace FbTk
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#endif // FBTK_SELECT2ND_HH
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