diff options
Diffstat (limited to 'src/list/operation/nth.h')
| -rw-r--r-- | src/list/operation/nth.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/list/operation/nth.h b/src/list/operation/nth.h index 6020dcb..076add4 100644 --- a/src/list/operation/nth.h +++ b/src/list/operation/nth.h @@ -26,6 +26,20 @@ struct Nth<Index, void> { typedef void type; }; +template <> +struct Nth<Size<0>, void> { + typedef void type; +}; + +template <typename List> +using First = typename Nth<Size<0>, List>::type; + +template <typename List> +using Second = typename Nth<Size<1>, List>::type; + +template <typename List> +using Third = typename Nth<Size<2>, List>::type; + } #endif // TYPEASVALUE_SRC_LIST_OPERATION_NTH_H_ |