mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-16 15:14:13 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

rewrite hash implementation

Browse source
This commit is contained in:
bolero-MURAKAMI 2012-11-15 11:54:57 +09:00
parent 87ee4f4032
commit d00e971abe
13 changed files with 262 additions and 269 deletions
Download patch file Download diff file Expand all files Collapse all files

97
sprout/functional/bind2nd.hpp
View file

@ -1,59 +1,74 @@
#ifndef SPROUT_FUNCTIONAL_BIND2ND_HPP
#define SPROUT_FUNCTIONAL_BIND2ND_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/functional/base.hpp>
#include <sprout/functional/type_traits/is_strict_function.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// D.9.3 Class template binder2nd
template<typename Fn, typename T = void, typename = void>
class binder2nd;
template<typename Fn, typename T>
class binder2nd<
Fn, T,
typename std::enable_if<sprout::is_strict_binary_function<Fn>::value>::type
>
: public sprout::unary_function<typename Fn::first_argument_type, typename Fn::result_type>
namespace detail {
template<typename Fn, typename T = void, typename = void>
class binder2nd;
template<typename Fn, typename T>
class binder2nd<
Fn, T,
typename std::enable_if<sprout::is_strict_binary_function<Fn>::value>::type
>
: public sprout::unary_function<typename Fn::first_argument_type, typename Fn::result_type>
{
public:
typedef typename std::conditional<
std::is_void<T>::value,
typename Fn::second_argument_type,
T
>::type value_type;
protected:
Fn op;
value_type value;
public:
SPROUT_CONSTEXPR binder2nd(Fn const& x, value_type const& y)
: op(x), value(y)
{}
SPROUT_CONSTEXPR typename Fn::result_type
operator()(typename Fn::first_argument_type const& x) const {
return op(x, value);
}
};
template<typename Fn, typename T>
class binder2nd<
Fn, T,
typename std::enable_if<!sprout::is_strict_binary_function<Fn>::value>::type
> {
public:
typedef T value_type;
protected:
Fn op;
value_type value;
public:
SPROUT_CONSTEXPR binder2nd(Fn const& x, value_type const& y)
: op(x), value(y)
{}
template<typename U>
SPROUT_CONSTEXPR decltype(op(std::declval<U const&>(), value))
operator()(U const& x) const {
return op(x, value);
}
};
} // namespace detail
template<typename Fn, typename T = void>
class binder2nd
: public sprout::detail::binder2nd<Fn, T>
{
public:
typedef typename std::conditional<
std::is_void<T>::value,
typename Fn::second_argument_type,
T
>::type value_type;
protected:
Fn op;
value_type value;
typedef typename sprout::detail::binder2nd<Fn, T>::value_type value_type;
public:
SPROUT_CONSTEXPR binder2nd(Fn const& x, value_type const& y)
: op(x), value(y)
: sprout::detail::binder2nd<Fn, T>(x, y)
{}
SPROUT_CONSTEXPR typename Fn::result_type
operator()(typename Fn::first_argument_type const& x) const {
return op(x, value);
}
};
template<typename Fn, typename T>
class binder2nd<
Fn, T,
typename std::enable_if<!sprout::is_strict_binary_function<Fn>::value>::type
> {
public:
typedef T value_type;
protected:
Fn op;
value_type value;
public:
SPROUT_CONSTEXPR binder2nd(Fn const& x, value_type const& y)
: op(x), value(y)
{}
template<typename U>
SPROUT_CONSTEXPR decltype(op(std::declval<U const&>(), value))
operator()(U const& x) const {
return op(x, value);
}
};
// D.9.3 bind2nd