diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/hash')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/deep_dup.rb | 3 | ||||
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/slice.rb | 12 |
2 files changed, 5 insertions, 10 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/deep_dup.rb b/activesupport/lib/active_support/core_ext/hash/deep_dup.rb index 447142605c..9ab179c566 100644 --- a/activesupport/lib/active_support/core_ext/hash/deep_dup.rb +++ b/activesupport/lib/active_support/core_ext/hash/deep_dup.rb @@ -3,8 +3,7 @@ class Hash def deep_dup duplicate = self.dup duplicate.each_pair do |k,v| - tv = duplicate[k] - duplicate[k] = tv.is_a?(Hash) && v.is_a?(Hash) ? tv.deep_dup : v + duplicate[k] = v.is_a?(Hash) ? v.deep_dup : v end duplicate end diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb index 0484d8e5d8..45181f0e16 100644 --- a/activesupport/lib/active_support/core_ext/hash/slice.rb +++ b/activesupport/lib/active_support/core_ext/hash/slice.rb @@ -13,17 +13,15 @@ class Hash # valid_keys = [:mass, :velocity, :time] # search(options.slice(*valid_keys)) def slice(*keys) - keys = keys.map! { |key| convert_key(key) } if respond_to?(:convert_key) - hash = self.class.new - keys.each { |k| hash[k] = self[k] if has_key?(k) } - hash + keys.map! { |key| convert_key(key) } if respond_to?(:convert_key, true) + keys.each_with_object(self.class.new) { |k, hash| hash[k] = self[k] if has_key?(k) } end # Replaces the hash with only the given keys. # Returns a hash contained the removed key/value pairs # {:a => 1, :b => 2, :c => 3, :d => 4}.slice!(:a, :b) # => {:c => 3, :d => 4} def slice!(*keys) - keys = keys.map! { |key| convert_key(key) } if respond_to?(:convert_key) + keys.map! { |key| convert_key(key) } if respond_to?(:convert_key, true) omit = slice(*self.keys - keys) hash = slice(*keys) replace(hash) @@ -33,8 +31,6 @@ class Hash # Removes and returns the key/value pairs matching the given keys. # {:a => 1, :b => 2, :c => 3, :d => 4}.extract!(:a, :b) # => {:a => 1, :b => 2} def extract!(*keys) - result = {} - keys.each {|key| result[key] = delete(key) } - result + keys.each_with_object({}) {|key, result| result[key] = delete(key) } end end |