Improve subspan default template argument

2019-08-18 23:26:49 -07:00
parent 2bbdd329cd
commit a9223ae601
1 changed files with 2 additions and 2 deletions
@@ -249,9 +249,9 @@ public:
    constexpr span last(size_t count) const
    { return (count >= size()) ? *this : span{mDataEnd-count, mDataEnd}; }

-    template<size_t O, size_t C>
+    template<size_t O, size_t C=dynamic_extent>
    constexpr span<element_type,C> subspan() const
-    { return span<element_type,C>{mData+O, C}; }
+    { return span<element_type,C>{mData+O, (C!=dynamic_extent) ? mData+C : mDataEnd}; }

    constexpr span subspan(size_t offset, size_t count=dynamic_extent) const
    {