vdjpipe/api/identity__predicate_8hpp_source.html

 #ifndef IDENTITY_PREDICATE_HPP_
 #define IDENTITY_PREDICATE_HPP_
 #include <functional>

 namespace vdj_pipe{

 template<class T> struct Identity : public std::unary_function<T,T> {
    T const& operator()(T const& x) const {return x;}
    T& operator()(T& x) const {return x;}
 };

 }//namespace vdj_pipe
 #endif /* IDENTITY_PREDICATE_HPP_ */
vdj_pipe
Main namespace of vdj_pipe library.
Definition: sequence_file.hpp:14

vdj_pipe::Identity
why is it not in STL?
Definition: identity_predicate.hpp:15