Created
December 23, 2011 21:39
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Hash#without
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| class Hash | |
| # Returns a new hash that does not contain the specified keys | |
| # | |
| # {:a => 1, :b => 2, :c =>3, :d => 4}.without(:a, :b) | |
| # => {:c=>3, :d=>4} | |
| def without(*keys) | |
| dup.tap { |h| keys.each { |k| h.delete(k) } } | |
| end | |
| end |
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