diff options
| -rw-r--r-- | activesupport/CHANGELOG.md | 6 | ||||
| -rw-r--r-- | activesupport/lib/active_support/hash_with_indifferent_access.rb | 13 | ||||
| -rw-r--r-- | activesupport/test/hash_with_indifferent_access_test.rb | 8 |
3 files changed, 27 insertions, 0 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index 6272dd3471..cd96f4b750 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,9 @@ +* Add `ActiveSupport::HashWithIndifferentAccess#assoc`. + + `assoc` can now be called with either a string or a symbol. + + *Stefan Schüßler* + ## Rails 6.0.0.beta1 (January 18, 2019) ## * Remove deprecated `Module#reachable?` method. diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index f1af76019a..3a2b2652c4 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -164,6 +164,19 @@ module ActiveSupport super(convert_key(key)) end + # Same as <tt>Hash#assoc</tt> where the key passed as argument can be + # either a string or a symbol: + # + # counters = ActiveSupport::HashWithIndifferentAccess.new + # counters[:foo] = 1 + # + # counters.assoc('foo') # => ["foo", 1] + # counters.assoc(:foo) # => ["foo", 1] + # counters.assoc(:zoo) # => nil + def assoc(key) + super(convert_key(key)) + end + # Same as <tt>Hash#fetch</tt> where the key passed as argument can be # either a string or a symbol: # diff --git a/activesupport/test/hash_with_indifferent_access_test.rb b/activesupport/test/hash_with_indifferent_access_test.rb index f81e0dc70f..8a39672609 100644 --- a/activesupport/test/hash_with_indifferent_access_test.rb +++ b/activesupport/test/hash_with_indifferent_access_test.rb @@ -447,6 +447,14 @@ class HashWithIndifferentAccessTest < ActiveSupport::TestCase assert_instance_of ActiveSupport::HashWithIndifferentAccess, indifferent_strings end + def test_indifferent_assoc + indifferent_strings = ActiveSupport::HashWithIndifferentAccess.new(@strings) + key, value = indifferent_strings.assoc(:a) + + assert_equal("a", key) + assert_equal(1, value) + end + def test_indifferent_compact hash_contain_nil_value = @strings.merge("z" => nil) hash = ActiveSupport::HashWithIndifferentAccess.new(hash_contain_nil_value) |