From 77efc20a54708ba37ba679ffe90021bf8a8d3a8a Mon Sep 17 00:00:00 2001 From: thedarkone Date: Fri, 24 Sep 2010 23:21:59 +0200 Subject: Make assert_valid_keys slightly faster. --- activesupport/lib/active_support/core_ext/hash/keys.rb | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'activesupport/lib') diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 2cb2c89d30..d8748b1138 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -35,11 +35,13 @@ class Hash # as keys, this will fail. # # ==== Examples - # { :name => "Rob", :years => "28" }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key(s): years" - # { :name => "Rob", :age => "28" }.assert_valid_keys("name", "age") # => raises "ArgumentError: Unknown key(s): name, age" + # { :name => "Rob", :years => "28" }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key: years" + # { :name => "Rob", :age => "28" }.assert_valid_keys("name", "age") # => raises "ArgumentError: Unknown key: name" # { :name => "Rob", :age => "28" }.assert_valid_keys(:name, :age) # => passes, raises nothing def assert_valid_keys(*valid_keys) - unknown_keys = keys - valid_keys.flatten - raise(ArgumentError, "Unknown key(s): #{unknown_keys.join(", ")}") unless unknown_keys.empty? + valid_keys.flatten! + each_key do |k| + raise(ArgumentError, "Unknown key: #{k}") unless valid_keys.include?(k) + end end end -- cgit v1.2.3