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// Copyright 2015, Tobias Hermann and the FunctionalPlus contributors.
// https://github.com/Dobiasd/FunctionalPlus
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#pragma once
#include <fplus/internal/function_traits_asserts.hpp>
namespace fplus
{
namespace internal
{
struct apply_to_pair_tag
{
};
struct zip_with_tag
{
};
struct zip_with_3_tag
{
};
struct transform_fst_tag
{
};
struct transform_snd_tag
{
};
struct inner_product_with_tag
{
};
template <typename F, typename X, typename Y>
struct function_traits_asserts<apply_to_pair_tag, F, X, Y>
{
static_assert(utils::function_traits<F>::arity == 2,
"Function must take two parameters.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
typedef typename utils::function_traits<F>::template arg<1>::type FIn1;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take pair.first type as first Parameter.");
static_assert(std::is_convertible<Y, FIn1>::value,
"Function does not take pair.second type as second Parameter.");
};
template <typename F, typename X, typename Y>
struct function_traits_asserts<zip_with_tag, F, X, Y>
{
static_assert(utils::function_traits<F>::arity == 2,
"Function must take two parameters.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
typedef typename utils::function_traits<F>::template arg<1>::type FIn1;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take elements from first Container as first Parameter.");
static_assert(std::is_convertible<Y, FIn1>::value,
"Function does not take elements from second Container as second Parameter.");
};
template <typename F, typename X, typename Y, typename Z>
struct function_traits_asserts<zip_with_3_tag, F, X, Y, Z>
{
static_assert(utils::function_traits<F>::arity == 3,
"Function must take two parameters.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
typedef typename utils::function_traits<F>::template arg<1>::type FIn1;
typedef typename utils::function_traits<F>::template arg<2>::type FIn2;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take elements from first Container as first Parameter.");
static_assert(std::is_convertible<Y, FIn1>::value,
"Function does not take elements from second Container as second Parameter.");
static_assert(std::is_convertible<Z, FIn2>::value,
"Function does not take elements from third Container as third Parameter.");
};
template <typename F, typename X>
struct function_traits_asserts<transform_fst_tag, F, X>
{
static_assert(utils::function_traits<F>::arity == 1,
"Function must take one parameter.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take pair.first type as first Parameter.");
};
template <typename F, typename X>
struct function_traits_asserts<transform_snd_tag, F, X>
{
static_assert(utils::function_traits<F>::arity == 1,
"Function must take one parameter.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take pair.second type as first Parameter.");
};
template <typename F, typename X, typename Y>
struct function_traits_asserts<inner_product_with_tag, F, X, Y>
{
static_assert(utils::function_traits<F>::arity == 2,
"Function must take two parameters.");
typedef typename utils::function_traits<F>::template arg<0>::type FIn0;
typedef typename utils::function_traits<F>::template arg<1>::type FIn1;
static_assert(std::is_convertible<X, FIn0>::value,
"Function does not take elements from first Container as first Parameter.");
static_assert(std::is_convertible<Y, FIn1>::value,
"Function does not take elements from second Container as second Parameter.");
};
}
}
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