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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#pragma once
namespace jitstd
{
template <typename T>
void swap(T& a, T& b)
{
T t(a);
a = b;
b = t;
}
template <typename Arg, typename Result>
struct unary_function
{
typedef Arg argument_type;
typedef Result result_type;
};
template <typename Arg1, typename Arg2, typename Result>
struct binary_function
{
typedef Arg1 first_argument_type;
typedef Arg2 second_argument_type;
typedef Result result_type;
};
template <typename T>
struct greater : binary_function<T, T, bool>
{
bool operator()(const T& lhs, const T& rhs) const
{
return lhs > rhs;
}
};
template <typename T>
struct equal_to : binary_function<T, T, bool>
{
bool operator()(const T& lhs, const T& rhs) const
{
return lhs == rhs;
}
};
template <typename T>
struct identity : unary_function<T, T>
{
const T& operator()(const T& op) const
{
return op;
}
};
} // end of namespace jitstd.
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