From 70429313c8d917255c35dabe14f64209dd6463db Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 1 Feb 2015 13:12:02 +0100
Subject: Added `DropWhile` analogously to `TakeWhile`
---
src/list/operation/higher/drop_while.h | 29 +++++++++++++++++++++++++++++
src/list/operation/higher/take_while.h | 1 -
2 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 src/list/operation/higher/drop_while.h
(limited to 'src')
diff --git a/src/list/operation/higher/drop_while.h b/src/list/operation/higher/drop_while.h
new file mode 100644
index 0000000..a6ab8c4
--- /dev/null
+++ b/src/list/operation/higher/drop_while.h
@@ -0,0 +1,29 @@
+#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_DROP_WHILE_H_
+#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_DROP_WHILE_H_
+
+#include "conditional/if.h"
+
+namespace tav {
+
+template <
+ template<typename> class Predicate,
+ typename Current
+>
+struct DropWhile {
+ typedef If<
+ Predicate<Head<Current>>::type::value,
+ typename DropWhile<Predicate, Tail<Current>>::type,
+ Current
+ > type;
+};
+
+template <
+ template<typename> class Predicate
+>
+struct DropWhile<Predicate, void> {
+ typedef void type;
+};
+
+}
+
+#endif // TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_DROP_WHILE_H_
diff --git a/src/list/operation/higher/take_while.h b/src/list/operation/higher/take_while.h
index 01062f4..1ee6736 100644
--- a/src/list/operation/higher/take_while.h
+++ b/src/list/operation/higher/take_while.h
@@ -1,7 +1,6 @@
#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_TAKE_WHILE_H_
#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_TAKE_WHILE_H_
-#include "type.h"
#include "conditional/if.h"
namespace tav {
--
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