diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index fbccff5005..76d757f6a7 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -2053,6 +2053,16 @@ end NOTE: Defined in +active_support/core_ext/enumerable.rb+. +h4. +pluck+ + +Plucks the value of the passed method for each element and returns the result as an array + + +people.pluck(:name) # => [ "David Heinemeier Hansson", "Jamie Heinemeier Hansson" ] + + +NOTE: Defined in +active_support/core_ext/enumerable.rb+. + h4. +each_with_object+ The +inject+ method offers iteration with an accumulator: