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Change integer_range's .size() member function return type to size_t.

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Instead of the return type being the templated `Integer` parameter.

The integer type and the size of the range are not connected.
This commit is contained in:
Daniel J. Hofmann 2015-09-07 18:42:11 +02:00
parent 2470494009
commit be506f7121
1 changed files with 7 additions and 2 deletions
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9
util/integer_range.hpp
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@ -32,13 +32,15 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <type_traits> #include <type_traits>
#include <cstdint>
namespace osrm namespace osrm
{ {
template <typename Integer> class range template <typename Integer> class range
{ {
private: private:
Integer last; const Integer last;
Integer iter; Integer iter;
public: public:
@ -53,7 +55,10 @@ template <typename Integer> class range
const range &end() const noexcept { return *this; } const range &end() const noexcept { return *this; }
Integer front() const noexcept { return iter; } Integer front() const noexcept { return iter; }
Integer back() const noexcept { return last - 1; } Integer back() const noexcept { return last - 1; }
Integer size() const noexcept { return last - iter; } std::size_t size() const noexcept
{
return static_cast<std::size_t>(last - iter);
}
// Iterator functions // Iterator functions
bool operator!=(const range &) const noexcept { return iter < last; } bool operator!=(const range &) const noexcept { return iter < last; }