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| author | Francesco Rodriguez <lrodriguezsanc@gmail.com> | 2012-05-13 12:49:15 -0500 |
|---|---|---|
| committer | Francesco Rodriguez <lrodriguezsanc@gmail.com> | 2012-05-13 12:49:15 -0500 |
| commit | 92dbdb2340839f5d21b467eb68675f597fa3a588 (patch) | |
| tree | f853d3b18621188e0cd09926a073523bf3131104 | |
| parent | 817f9e64ee4e5b02efd9b4047c23340bf4b75586 (diff) | |
| download | rails-92dbdb2340839f5d21b467eb68675f597fa3a588.tar.gz rails-92dbdb2340839f5d21b467eb68675f597fa3a588.tar.bz2 rails-92dbdb2340839f5d21b467eb68675f597fa3a588.zip | |
added example to Hash#symbolize_keys
| -rw-r--r-- | activesupport/lib/active_support/core_ext/hash/keys.rb | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 057fff05e3..81ee71d5fb 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -1,7 +1,7 @@ class Hash # Return a new hash with all keys converted to strings. # - # { :name => 'Rob', :years => '28' }.stringify_keys + # { name: 'Rob', years: '28' }.stringify_keys # #=> { "name" => "Rob", "years" => "28" } def stringify_keys result = {} @@ -22,6 +22,9 @@ class Hash # Return a new hash with all keys converted to symbols, as long as # they respond to +to_sym+. + # + # { 'name' => 'Rob', 'years' => '28' }.symbolize_keys + # #=> { :name => "Rob", :years => "28" } def symbolize_keys result = {} keys.each do |key| @@ -32,7 +35,7 @@ class Hash alias_method :to_options, :symbolize_keys # Destructively convert all keys to symbols, as long as they respond - # to +to_sym+. + # to +to_sym+. Same as +symbolize_keys+, but modifies self. def symbolize_keys! keys.each do |key| self[(key.to_sym rescue key)] = delete(key) |