diff options
Diffstat (limited to 'mrbgems/mruby-array-ext/mrblib/array.rb')
| -rw-r--r-- | mrbgems/mruby-array-ext/mrblib/array.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mrbgems/mruby-array-ext/mrblib/array.rb b/mrbgems/mruby-array-ext/mrblib/array.rb index fc5d87f2c..f9f232321 100644 --- a/mrbgems/mruby-array-ext/mrblib/array.rb +++ b/mrbgems/mruby-array-ext/mrblib/array.rb @@ -126,6 +126,22 @@ class Array ## # call-seq: + # ary.difference(other_ary1, other_ary2, ...) -> new_ary + # + # Returns a new array that is a copy of the original array, removing all + # occurences of any item that also appear in +other_ary+. The order is + # preserved from the original array. + # + def difference(*args) + ary = self.dup + args.each do |x| + ary = self - x + end + ary + end + + ## + # call-seq: # ary & other_ary -> new_ary # # Set Intersection---Returns a new array |