diff options
Diffstat (limited to 'activesupport/lib/core_ext/hash/keys.rb')
-rw-r--r-- | activesupport/lib/core_ext/hash/keys.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/activesupport/lib/core_ext/hash/keys.rb b/activesupport/lib/core_ext/hash/keys.rb index 4dd982337c..3c301c6fa6 100644 --- a/activesupport/lib/core_ext/hash/keys.rb +++ b/activesupport/lib/core_ext/hash/keys.rb @@ -2,6 +2,25 @@ module ActiveSupport #:nodoc: module CoreExtensions #:nodoc: module Hash #:nodoc: module Keys + # Return a new hash with all keys converted to strings. + def stringify_keys + inject({}) do |options, (key, value)| + options[key.to_s] = value + options + end + end + + # Destructively convert all keys to strings. + def stringify_keys! + keys.each do |key| + unless key.is_a?(String) + self[key.to_s] = self[key] + delete(key) + end + end + self + end + # Return a new hash with all keys converted to symbols. def symbolize_keys inject({}) do |options, (key, value)| |