From de1f1dc67a1dabcddac2e89a5d703e98a92b7f11 Mon Sep 17 00:00:00 2001 From: Adrian Kummerlaender Date: Fri, 20 Feb 2015 22:03:19 +0100 Subject: Added `ReplaceNth` list operation * as its name implies this function replaces the _nth_ element of a given list * added appropriate test case --- src/list/operation/delete.h | 4 ++-- src/list/operation/delete_nth.h | 6 +++--- src/list/operation/replace_nth.h | 23 +++++++++++++++++++++++ 3 files changed, 28 insertions(+), 5 deletions(-) create mode 100644 src/list/operation/replace_nth.h (limited to 'src') diff --git a/src/list/operation/delete.h b/src/list/operation/delete.h index 48f1137..5ac620a 100644 --- a/src/list/operation/delete.h +++ b/src/list/operation/delete.h @@ -9,11 +9,11 @@ namespace tav { template < typename Element, - typename List + typename Sequence > using Delete = Remove< Apply::template function, - List + Sequence >; } diff --git a/src/list/operation/delete_nth.h b/src/list/operation/delete_nth.h index 18e52bf..a834150 100644 --- a/src/list/operation/delete_nth.h +++ b/src/list/operation/delete_nth.h @@ -9,11 +9,11 @@ namespace tav { template < typename Index, - typename List + typename Sequence > using DeleteNth = Append< - Take, - Drop>, List> + Take, + Drop>, Sequence> >; } diff --git a/src/list/operation/replace_nth.h b/src/list/operation/replace_nth.h new file mode 100644 index 0000000..519a040 --- /dev/null +++ b/src/list/operation/replace_nth.h @@ -0,0 +1,23 @@ +#ifndef TYPEASVALUE_SRC_LIST_OPERATION_REPLACE_NTH_H_ +#define TYPEASVALUE_SRC_LIST_OPERATION_REPLACE_NTH_H_ + +#include "list/operation/concatenate.h" +#include "list/operation/take.h" +#include "list/operation/drop.h" + +namespace tav { + +template < + typename Index, + typename Value, + typename Sequence +> +using ReplaceNth = Concatenate, + List, + Drop>, Sequence> +>>; + +} + +#endif // TYPEASVALUE_SRC_LIST_OPERATION_REPLACE_NTH_H_ -- cgit v1.2.3