From 9f86780226c86fae30d59d04bd53449b8c7a1ad8 Mon Sep 17 00:00:00 2001 From: Zachary Scott Date: Tue, 17 Jun 2014 14:13:02 -0700 Subject: Fix documentation from #15669 [ci skip] --- activesupport/lib/active_support/core_ext/hash/keys.rb | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'activesupport/lib/active_support') diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 3d1fb8e8ee..8657f34be2 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -57,9 +57,11 @@ class Hash end alias_method :to_options!, :symbolize_keys! - # Ensures all the hash's keys are present in the supplied list of *valid_keys. - # Raises an ArgumentError if any unexpected keys are encountered. - # Note that keys are NOT treated indifferently: strings and symbols will not match each other. + # Validate all keys in a hash match *valid_keys, raising + # ArgumentError on a mismatch. + # + # Note that keys are treated differently than HashWithIndifferentAccess, + # meaning that string and symbol keys will not match. # # { name: 'Rob', years: '28' }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key: :years. Valid keys are: :name, :age" # { name: 'Rob', age: '28' }.assert_valid_keys('name', 'age') # => raises "ArgumentError: Unknown key: :name. Valid keys are: 'name', 'age'" -- cgit v1.2.3