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| author | Aaron Patterson <aaron.patterson@gmail.com> | 2010-10-01 17:37:34 -0700 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2010-10-01 17:37:34 -0700 |
| commit | 61e8b23fe599ac54382251b44d9690f08a759fe1 (patch) | |
| tree | 3c8b2f612a909aed51f08cf20d6679a166ded1b9 /activesupport/lib/active_support/core_ext/enumerable.rb | |
| parent | ff2fdcc52b391514cb62c2a1ef29827ac94914c6 (diff) | |
| download | rails-61e8b23fe599ac54382251b44d9690f08a759fe1.tar.gz rails-61e8b23fe599ac54382251b44d9690f08a759fe1.tar.bz2 rails-61e8b23fe599ac54382251b44d9690f08a759fe1.zip | |
speed up index_by by removing a lolinject
Diffstat (limited to 'activesupport/lib/active_support/core_ext/enumerable.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/enumerable.rb | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index f1103029c8..6ecedc26ef 100644 --- a/activesupport/lib/active_support/core_ext/enumerable.rb +++ b/activesupport/lib/active_support/core_ext/enumerable.rb @@ -90,10 +90,7 @@ module Enumerable # => { "Chade- Fowlersburg-e" => <Person ...>, "David Heinemeier Hansson" => <Person ...>, ...} # def index_by - inject({}) do |accum, elem| - accum[yield(elem)] = elem - accum - end + Hash[map { |elem| [yield(elem), elem] }] end # Returns true if the collection has more than 1 element. Functionally equivalent to collection.size > 1. |