diff options
Diffstat (limited to 'activesupport/lib')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/hash/slice.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb index be4dec6e53..3f14470f36 100644 --- a/activesupport/lib/active_support/core_ext/hash/slice.rb +++ b/activesupport/lib/active_support/core_ext/hash/slice.rb @@ -9,6 +9,11 @@ module ActiveSupport #:nodoc: # end # # search(options.slice(:mass, :velocity, :time)) + # + # If you have an array of keys you want to limit to, you should splat them: + # + # valid_keys = [:mass, :velocity, :time] + # search(options.slice(*valid_keys)) module Slice # Returns a new hash with only the given keys. def slice(*keys) |