diff options
| author | Stephan Bergmann <sbergman@redhat.com> | 2016-01-19 10:46:13 +0100 |
|---|---|---|
| committer | Stephan Bergmann <sbergman@redhat.com> | 2016-01-19 10:46:13 +0100 |
| commit | 96fea1a05d2cfb0173f292f59018c997d2f63c89 (patch) | |
| tree | b5b32a3b0f3aab6506724de781785e47ecb07d60 /include | |
| parent | e96eaea07dde9a375c4d771c27ee7e7da9ef53b6 (diff) | |
Make enumarray_iterator adhere to iterator requirements
...or else using it with GCC 6 libstdc++ std::find causes compilation failures
Change-Id: I95e674922348f72fab6da8f049b2b4fcbdc74d07
Diffstat (limited to 'include')
| -rw-r--r-- | include/o3tl/enumarray.hxx | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/o3tl/enumarray.hxx b/include/o3tl/enumarray.hxx index a6861c1b8202..c264c2f69615 100644 --- a/include/o3tl/enumarray.hxx +++ b/include/o3tl/enumarray.hxx @@ -22,6 +22,7 @@ #include <sal/config.h> #include <iterator> +#include <type_traits> namespace o3tl { @@ -86,7 +87,10 @@ public: typedef typename EA::value_type value_type; typedef typename EA::key_type key_type; typedef std::bidirectional_iterator_tag iterator_category; //should be random access, but that would require define subtraction operators on the enums - typedef typename EA::key_type difference_type; + typedef + typename std::make_signed< + typename std::underlying_type<typename EA::key_type>::type>::type + difference_type; typedef typename EA::value_type* pointer; typedef typename EA::value_type& reference; @@ -95,8 +99,8 @@ public: value_type &operator*() { return (*m_buf)[static_cast<key_type>(m_pos)]; } value_type *operator->() { return &(operator*()); } self_type &operator++() { ++m_pos; return *this; } - bool operator!=(const self_type& other) { return m_buf != other.m_buf || m_pos != other.m_pos; } - bool operator==(const self_type& other) { return m_buf == other.m_buf && m_pos == other.m_pos; } + bool operator!=(const self_type& other) const { return m_buf != other.m_buf || m_pos != other.m_pos; } + bool operator==(const self_type& other) const { return m_buf == other.m_buf && m_pos == other.m_pos; } }; }; // namespace o3tl |