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| author | Adrian Kummerlaender | 2015-02-16 14:03:53 +0100 |
|---|---|---|
| committer | Adrian Kummerlaender | 2015-02-16 14:03:53 +0100 |
| commit | 324988569183e38e9c5e42318571693a6fcd9569 (patch) | |
| tree | ca47de290dc9b6ee1d1f771fb473c1f604e67189 /src/list/list.h | |
| parent | a59df7e8c4fd1f88bc1078ebcfde944502b0c309 (diff) | |
| download | TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar.gz TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar.bz2 TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar.lz TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar.xz TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.tar.zst TypeAsValue-324988569183e38e9c5e42318571693a6fcd9569.zip | |
Simplified `List`, `Length` and `Reverse` implementations
* continuation of 8e49cc6
* list constructor was generalized to a _variadic fold_
Diffstat (limited to 'src/list/list.h')
| -rw-r--r-- | src/list/list.h | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/src/list/list.h b/src/list/list.h index c9e6a9e..1a4c260 100644 --- a/src/list/list.h +++ b/src/list/list.h @@ -2,46 +2,12 @@ #define TYPEASVALUE_SRC_LIST_LIST_H_ #include "cons.h" +#include "detail/fold_variadic.h" namespace tav { -namespace detail { - -template < - typename Head, - typename... Tail -> -struct List { - typedef Eval<Cons< - Head, - Eval<List<Tail...>> - >> type; -}; - -template <typename Head> -struct List<Head> { - typedef Eval<Cons<Head, void>> type; -}; - -template <typename Head> -struct List<Head, void> { - typedef Eval<List<Head>> type; -}; - -template <typename... Tail> -struct List<void, Tail...> { - typedef Eval<List<Tail...>> type; -}; - -template <> -struct List<void, void> { - typedef void type; -}; - -} - template <typename... Elements> -using List = Eval<detail::List<Elements...>>; +using List = Eval<detail::fold_variadic<Pair, Elements...>>; template < typename Type, |