diff options
Diffstat (limited to 'activesupport/lib')
| -rw-r--r-- | activesupport/lib/active_support/hash_with_indifferent_access.rb | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index 3e6c8893e9..bb559f4b4a 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -96,7 +96,17 @@ module ActiveSupport alias_method :has_key?, :key? alias_method :member?, :key? - # Fetches the value for the specified key, same as doing hash[key] + # Same as <tt>Hash#fetch</tt> where the key passed as argument can be + # either a string or a symbol: + # + # counters = HashWithIndifferentAccess.new + # counters[:foo] = 1 + # + # counters.fetch("foo") # => 1 + # counters.fetch(:bar, 0) # => 0 + # counters.fetch(:bar) {|key| 0} # => 0 + # counters.fetch(:zoo) # => KeyError: key not found: "zoo" + # def fetch(key, *extras) super(convert_key(key), *extras) end |