diff options
Diffstat (limited to 'mrblib/range.rb')
| -rw-r--r-- | mrblib/range.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mrblib/range.rb b/mrblib/range.rb index d43e3c223..7ea795078 100644 --- a/mrblib/range.rb +++ b/mrblib/range.rb @@ -28,6 +28,15 @@ class Range end self end + + # redefine #hash 15.3.1.3.15 + def hash + h = first.hash ^ last.hash + if self.exclude_end? + h += 1 + end + h + end end ## |