diff options
| -rw-r--r-- | libcxx/include/ext/slist | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/libcxx/include/ext/slist b/libcxx/include/ext/slist index ef115b3d6cd..30ba7e30b43 100644 --- a/libcxx/include/ext/slist +++ b/libcxx/include/ext/slist @@ -21,7 +21,7 @@ namespace __gnu_cxx { using namespace std; -template <class _Tp, class _Alloc> +template <class _Tp, class _Alloc = allocator<_Tp> > class _LIBCPP_VISIBLE slist : forward_list<_Tp, _Alloc> { public: @@ -105,12 +105,9 @@ template <class _Tp, class _Alloc> inline _LIBCPP_INLINE_VISIBILITY typename slist<_Tp, _Alloc>::iterator slist<_Tp, _Alloc>::previous(iterator __pos) { - iterator __a = begin(), __b = end(); - while (__a != __pos) - { - __b = __a; - ++__a; - } + iterator __a = begin(), __b = begin(); + while (++__a != __pos) + ++__b; return __b; } @@ -118,12 +115,9 @@ template <class _Tp, class _Alloc> inline _LIBCPP_INLINE_VISIBILITY typename slist<_Tp, _Alloc>::const_iterator slist<_Tp, _Alloc>::previous(const_iterator __pos) { - iterator __a = begin(), __b = end(); - while (__a != __pos) - { - __b = __a; - ++__a; - } + iterator __a = begin(), __b = begin(); + while (++__a != __pos) + ++__b; return __b; } |
