diff options
Diffstat (limited to 'src/list')
| -rw-r--r-- | src/list/operation/higher/fold.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/list/operation/higher/fold.h b/src/list/operation/higher/fold.h new file mode 100644 index 0000000..6ad4bd7 --- /dev/null +++ b/src/list/operation/higher/fold.h @@ -0,0 +1,28 @@ +#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_FOLD_H_ +#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_FOLD_H_ + +namespace tav { + +template < + template<typename, typename> class Function, + typename Initial, + typename Current +> +struct Fold { + typedef typename Function< + Head<Current>, + typename Fold<Function, Initial, Tail<Current>>::type + >::type type; +}; + +template < + template<typename, typename> class Function, + typename Initial +> +struct Fold<Function, Initial, void> { + typedef Initial type; +}; + +} + +#endif // TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_FOLD_H_ |