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authorAdrian Kummerlaender2015-02-18 22:37:39 +0100
committerAdrian Kummerlaender2015-02-18 22:37:39 +0100
commit9bb66d9c1d8a7bf5bf02f5a7c400894e928d2a95 (patch)
tree04aea86c016401047d5ea134fdf878b83f2ad0d6 /src/list
parenta3cfc224111c324324e29a9a7a61b511053ec14c (diff)
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Changed `ListIndex` to return false if no index is found
* analogously to `list-index` and `find` in SRFI-1
Diffstat (limited to 'src/list')
-rw-r--r--src/list/operation/higher/drop_while.h2
-rw-r--r--src/list/operation/higher/list_index.h2
-rw-r--r--src/list/operation/higher/take_while.h2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/list/operation/higher/drop_while.h b/src/list/operation/higher/drop_while.h
index 1207020..8d013f9 100644
--- a/src/list/operation/higher/drop_while.h
+++ b/src/list/operation/higher/drop_while.h
@@ -13,7 +13,7 @@ template <
>
using DropWhile = Drop<
typename utility::predicate_assurance<
- utility::predicate_negator<std::is_void>::template function,
+ IsSize,
Length<List>
>::template assure<
ListIndex<
diff --git a/src/list/operation/higher/list_index.h b/src/list/operation/higher/list_index.h
index bbf43ee..d665b82 100644
--- a/src/list/operation/higher/list_index.h
+++ b/src/list/operation/higher/list_index.h
@@ -29,7 +29,7 @@ template <
typename Index
>
struct index_of_first<Predicate, void, Index> {
- typedef void type;
+ typedef Boolean<false> type;
};
}
diff --git a/src/list/operation/higher/take_while.h b/src/list/operation/higher/take_while.h
index f9fc3aa..105e83c 100644
--- a/src/list/operation/higher/take_while.h
+++ b/src/list/operation/higher/take_while.h
@@ -13,7 +13,7 @@ template <
>
using TakeWhile = Take<
typename utility::predicate_assurance<
- utility::predicate_negator<std::is_void>::template function,
+ IsSize,
Length<List>
>::template assure<
ListIndex<