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| author | Jack Nagel | 2013-06-07 22:27:29 -0500 |
|---|---|---|
| committer | Jack Nagel | 2013-06-08 12:23:14 -0500 |
| commit | 80745a97e20f8033ff6ff3a0c0425b22880a944f (patch) | |
| tree | 14671401835d0907e6f67d81151deb8eeedf0302 /Library/Homebrew/extend | |
| parent | 4b355399789cd79009d42a05a742efc7954cf380 (diff) | |
| download | brew-80745a97e20f8033ff6ff3a0c0425b22880a944f.tar.bz2 | |
Add Enumerable#group_by
Diffstat (limited to 'Library/Homebrew/extend')
| -rw-r--r-- | Library/Homebrew/extend/enumerable.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Library/Homebrew/extend/enumerable.rb b/Library/Homebrew/extend/enumerable.rb new file mode 100644 index 000000000..f6765bbae --- /dev/null +++ b/Library/Homebrew/extend/enumerable.rb @@ -0,0 +1,7 @@ +module Enumerable + def group_by + inject({}) do |h, e| + h.fetch(yield(e)) { |k| h[k] = [] } << e; h + end + end unless method_defined?(:group_by) +end |