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Unused code: binary_compose, identity

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Seems noone is using those anymore.

Change-Id: I63f775d391c58753e89549dbcae8739708395487
This commit is contained in:
Thorsten Behrens
2014-04-15 21:36:02 +02:00
parent 3764cfbc69
commit 7e6628f374
1 changed files with 0 additions and 35 deletions
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35
include/o3tl/compat_functional.hxx
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@@ -37,16 +37,6 @@
namespace o3tl namespace o3tl
{ {
/// Identity functor - return the input value
template<class T>
struct identity : public std::unary_function<T, T>
{
T operator()(const T& y) const
{
return (y);
}
};
/// Functor, given two parameters, return the first /// Functor, given two parameters, return the first
template<class T1,class T2> template<class T1,class T2>
struct project1st : public std::binary_function<T1, T2, T1> struct project1st : public std::binary_function<T1, T2, T1>
@@ -111,31 +101,6 @@ inline unary_compose<F1, F2> compose1(const F1& fnction1, const F2& fnction2)
return (unary_compose<F1, F2>(fnction1, fnction2)); return (unary_compose<F1, F2>(fnction1, fnction2));
} }
/// Calls F2 and F3 for the two args of F1, respectively
template<class F1, class F2, class F3>
class binary_compose : public std::unary_function<typename F2::argument_type,typename F1::result_type>
{
public:
binary_compose(const F1& fnction1, const F2& fnction2, const F3& fnction3) : ftor1(fnction1), ftor2(fnction2), ftor3(fnction3) {}
typename F1::result_type operator()(const typename F2::argument_type& y) const
{
return (ftor1(ftor2(y), ftor3(y)));
}
protected:
F1 ftor1;
F2 ftor2;
F3 ftor3;
};
/// Creates functor that calls F2 and F3 for the two args of F1, respectively
template<class F1, class F2, class F3>
inline binary_compose<F1, F2, F3> compose2(const F1& fnction1, const F2& fnction2, const F3& fnction3)
{
return (binary_compose<F1, F2, F3>(fnction1, fnction2, fnction3));
}
} // namespace o3tl } // namespace o3tl
#endif #endif