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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2019-09-16 07:52:19 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2019-09-16 10:10:09 +0900 |
| commit | f4117d81d2fef1276836c1f6e13ceba7d83c9d7b (patch) | |
| tree | 9796832d43d830bf39b218845efbcc098b287f04 /mrbgems/mruby-array-ext/mrblib/array.rb | |
| parent | 3daa53ce6335e265e3579534fa199ef458047865 (diff) | |
| download | mruby-f4117d81d2fef1276836c1f6e13ceba7d83c9d7b.tar.gz mruby-f4117d81d2fef1276836c1f6e13ceba7d83c9d7b.zip | |
Add `Array#difference` method from Ruby2.6.
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 |