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metaprogramming: switch util-foreach to variadic templates (#967)

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...likewise low hanging fruit
This commit is contained in:
Fischlurch 2017-08-11 20:35:53 +02:00
parent a731b3caf4
commit 9e4f3f3314
1 changed files with 18 additions and 127 deletions
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145
src/lib/util-foreach.hpp
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@ -201,151 +201,42 @@ namespace util {
/* === allow creating argument binders on-the-fly === */
template < typename CON, typename FUN
, typename P1
>
inline void //________________________________
for_each (CON const& elements, FUN function, P1 bind1) ///< Accept binding for 1 Argument
/** Accept binding for arbitrary function arguments
* @note obviously one of those arguments must be a placeholder */
template <typename CON, typename FUN, typename P1, typename...ARGS>
inline void
for_each (CON const& elements, FUN function, P1&& bind1, ARGS&& ...args)
{
for_each (elements, std::bind (function, bind1));
}
template < typename CON, typename FUN
, typename P1
, typename P2
>
inline void //________________________________
for_each (CON const& elements, FUN function, P1 bind1, P2 bind2) ///< Accept binding for 2 Arguments
{
for_each (elements, std::bind (function, bind1, bind2));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
>
inline void //________________________________
for_each (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3) ///< Accept binding for 3 Arguments
{
for_each (elements, std::bind (function, bind1, bind2, bind3));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
, typename P4
>
inline void //________________________________
for_each (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3, P4 bind4) ///< Accept binding for 4 Arguments
{
for_each (elements, std::bind (function, bind1, bind2, bind3, bind4));
for_each (elements, std::bind (function, std::forward<P1>(bind1), std::forward<ARGS> (args)...));
}
template < typename CON, typename FUN
, typename P1
>
inline bool //________________________________
and_all (CON const& elements, FUN function, P1 bind1) ///< Accept binding for 1 Argument
/** Accept binding for arbitrary function arguments
* @note obviously one of those arguments must be a placeholder */
template <typename CON, typename FUN, typename P1, typename...ARGS>
inline bool
and_all (CON const& elements, FUN function, P1&& bind1, ARGS&& ...args)
{
return and_all (elements, std::bind<bool> (function, bind1));
}
template < typename CON, typename FUN
, typename P1
, typename P2
>
inline bool //________________________________
and_all (CON const& elements, FUN function, P1 bind1, P2 bind2) ///< Accept binding for 2 Arguments
{
return and_all (elements, std::bind<bool> (function, bind1, bind2));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
>
inline bool //________________________________
and_all (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3) ///< Accept binding for 3 Arguments
{
return and_all (elements, std::bind<bool> (function, bind1, bind2, bind3));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
, typename P4
>
inline bool //________________________________
and_all (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3, P4 bind4) ///< Accept binding for 4 Arguments
{
return and_all (elements, std::bind<bool> (function, bind1, bind2, bind3, bind4));
return and_all (elements, std::bind<bool> (function, std::forward<P1>(bind1), std::forward<ARGS> (args)...));
}
template < typename CON, typename FUN
, typename P1
>
inline bool //________________________________
has_any (CON const& elements, FUN function, P1 bind1) ///< Accept binding for 1 Argument
/** Accept binding for arbitrary function arguments
* @note obviously one of those arguments must be a placeholder */
template <typename CON, typename FUN, typename P1, typename...ARGS>
inline bool
has_any (CON const& elements, FUN function, P1&& bind1, ARGS&& ...args)
{
return has_any (elements, std::bind<bool> (function, bind1));
return has_any (elements, std::bind<bool> (function, std::forward<P1>(bind1), std::forward<ARGS> (args)...));
}
template < typename CON, typename FUN
, typename P1
, typename P2
>
inline bool //________________________________
has_any (CON const& elements, FUN function, P1 bind1, P2 bind2) ///< Accept binding for 2 Arguments
{
return has_any (elements, std::bind<bool> (function, bind1, bind2));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
>
inline bool //________________________________
has_any (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3) ///< Accept binding for 3 Arguments
{
return has_any (elements, std::bind<bool> (function, bind1, bind2, bind3));
}
template < typename CON, typename FUN
, typename P1
, typename P2
, typename P3
, typename P4
>
inline bool //________________________________
has_any (CON const& elements, FUN function, P1 bind1, P2 bind2, P3 bind3, P4 bind4) ///< Accept binding for 4 Arguments
{
return has_any (elements, std::bind<bool> (function, bind1, bind2, bind3, bind4));
}
} // namespace util
#endif /*UTIL_FOREACH_H*/