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| author | Adrian Kummerlaender | 2015-02-05 17:13:39 +0100 |
|---|---|---|
| committer | Adrian Kummerlaender | 2015-02-05 17:13:39 +0100 |
| commit | 1e0528b1a870e0e0f2b15f468fc60f80e5fc20b3 (patch) | |
| tree | a8ec087590596694f1e80def81f08236b5399cb9 /src/list | |
| parent | 868f7d2c46302f3f993ff8f7943823243a5d1a6d (diff) | |
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Defer `If` template resolution analogously to other functions
* all other functions sans `Cons` are resolved when the respective member `*::type` is instantiated
* this was changed soely to increase coherence
Diffstat (limited to 'src/list')
| -rw-r--r-- | src/list/operation/higher/drop_while.h | 4 | ||||
| -rw-r--r-- | src/list/operation/higher/filter.h | 12 | ||||
| -rw-r--r-- | src/list/operation/higher/find.h | 4 | ||||
| -rw-r--r-- | src/list/operation/higher/take_while.h | 4 |
4 files changed, 11 insertions, 13 deletions
diff --git a/src/list/operation/higher/drop_while.h b/src/list/operation/higher/drop_while.h index a6ab8c4..ad1553f 100644 --- a/src/list/operation/higher/drop_while.h +++ b/src/list/operation/higher/drop_while.h @@ -10,11 +10,11 @@ template < typename Current > struct DropWhile { - typedef If< + typedef typename If< Predicate<Head<Current>>::type::value, typename DropWhile<Predicate, Tail<Current>>::type, Current - > type; + >::type type; }; template < diff --git a/src/list/operation/higher/filter.h b/src/list/operation/higher/filter.h index d91735e..3fc08ee 100644 --- a/src/list/operation/higher/filter.h +++ b/src/list/operation/higher/filter.h @@ -16,13 +16,11 @@ class Filter { typename Current, typename Previous > - struct predicate_wrapper { - typedef If< - Predicate<Current>::type::value, - Cons<Current, Previous>, - Previous - > type; - }; + using predicate_wrapper = If< + Predicate<Current>::type::value, + Cons<Current, Previous>, + Previous + >; public: typedef typename Fold<predicate_wrapper, void, List>::type type; diff --git a/src/list/operation/higher/find.h b/src/list/operation/higher/find.h index 47b88ad..bf9d04f 100644 --- a/src/list/operation/higher/find.h +++ b/src/list/operation/higher/find.h @@ -11,11 +11,11 @@ template < typename Current > struct Find { - typedef If< + typedef typename If< Predicate<Head<Current>>::type::value, Head<Current>, typename Find<Predicate, Tail<Current>>::type - > type; + >::type type; }; template < diff --git a/src/list/operation/higher/take_while.h b/src/list/operation/higher/take_while.h index 1ee6736..27f58ed 100644 --- a/src/list/operation/higher/take_while.h +++ b/src/list/operation/higher/take_while.h @@ -10,14 +10,14 @@ template < typename Current > struct TakeWhile { - typedef If< + typedef typename If< Predicate<Head<Current>>::type::value, Cons< Head<Current>, typename TakeWhile<Predicate, Tail<Current>>::type >, void - > type; + >::type type; }; template < |