diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/ordered_hash.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb index b0d4f2bd86..e81bd013b6 100644 --- a/activesupport/lib/active_support/ordered_hash.rb +++ b/activesupport/lib/active_support/ordered_hash.rb @@ -52,6 +52,20 @@ module ActiveSupport true end + if RUBY_VERSION > '2.1.0' + # On Ruby 2.1.1 and later the behavior of .select and reject changed to + # return a new Hash instance so we need to override them to return an + # instance of the correct class. + + def select(*args, &block) + dup.tap { |hash| hash.select!(*args, &block) } + end + + def reject(*args, &block) + dup.tap { |hash| hash.reject!(*args, &block) } + end + end + # Hash is ordered in Ruby 1.9! if RUBY_VERSION < '1.9' |