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| author | David Heinemeier Hansson <david@loudthinking.com> | 2005-01-09 15:00:45 +0000 |
|---|---|---|
| committer | David Heinemeier Hansson <david@loudthinking.com> | 2005-01-09 15:00:45 +0000 |
| commit | f626aece793eab4a414eeb96a3bb3440e98e05d8 (patch) | |
| tree | 25a8e98ca0f38a9570abc1a7aa3518af7822c807 /activesupport/lib/core_ext | |
| parent | 7145046493f122f26717149dcb03b8a1689b5c76 (diff) | |
| download | rails-f626aece793eab4a414eeb96a3bb3440e98e05d8.tar.gz rails-f626aece793eab4a414eeb96a3bb3440e98e05d8.tar.bz2 rails-f626aece793eab4a414eeb96a3bb3440e98e05d8.zip | |
Added the first of the coming core extensions
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@349 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/lib/core_ext')
| -rw-r--r-- | activesupport/lib/core_ext/hash_ext.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/lib/core_ext/hash_ext.rb b/activesupport/lib/core_ext/hash_ext.rb new file mode 100644 index 0000000000..90670c42c7 --- /dev/null +++ b/activesupport/lib/core_ext/hash_ext.rb @@ -0,0 +1,6 @@ +class Hash + def assert_valid_keys(valid_keys) + unknown_keys = keys - valid_keys + raise(ArgumentError, "Unknown key(s): #{unknown_keys.join(", ")}") unless unknown_keys.empty? + end +end
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