Permalink
Browse files

Correct Hash#assert_valid_keys docs. Closes #10621 [Cheah Chu Yeow, b…

…lackanger]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8521 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
  • Loading branch information...
1 parent 072b9d9 commit 9def906fd05d120312223d0d9bc565cc2972f85a @jeremy jeremy committed Jan 2, 2008
Showing with 4 additions and 3 deletions.
  1. +4 −3 activesupport/lib/active_support/core_ext/hash/keys.rb
@@ -38,11 +38,12 @@ def symbolize_keys!
alias_method :to_options!, :symbolize_keys!
# Validate all keys in a hash match *valid keys, raising ArgumentError on a mismatch.
- # Note that keys are NOT treated indifferently, meaning if you use strings for keys but assert symbol
+ # Note that keys are NOT treated indifferently, meaning if you use strings for keys but assert symbols
# as keys, this will fail.
- # examples:
+ #
+ # ==== 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): years, name"
+ # { :name => "Rob", :age => "28" }.assert_valid_keys("name", "age") # => raises "ArgumentError: Unknown key(s): name, age"
# { :name => "Rob", :age => "28" }.assert_valid_keys(:name, :age) # => passes, raises nothing
def assert_valid_keys(*valid_keys)
unknown_keys = keys - [valid_keys].flatten

0 comments on commit 9def906

Please sign in to comment.