diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/deep_dup.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/object/deep_dup.rb | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/deep_dup.rb b/activesupport/lib/active_support/core_ext/object/deep_dup.rb index 2e99f4a1b8..8dfeed0066 100644 --- a/activesupport/lib/active_support/core_ext/object/deep_dup.rb +++ b/activesupport/lib/active_support/core_ext/object/deep_dup.rb @@ -25,7 +25,7 @@ class Array # array[1][2] # => nil # dup[1][2] # => 4 def deep_dup - map { |it| it.deep_dup } + map(&:deep_dup) end end @@ -39,8 +39,15 @@ class Hash # hash[:a][:c] # => nil # dup[:a][:c] # => "c" def deep_dup - each_with_object(dup) do |(key, value), hash| - hash[key.deep_dup] = value.deep_dup + hash = dup + each_pair do |key, value| + if key.frozen? && ::String === key + hash[key] = value.deep_dup + else + hash.delete(key) + hash[key.deep_dup] = value.deep_dup + end end + hash end end |