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authorEelco Dolstra <e.dolstra@tudelft.nl>2004-03-28T21·15+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2004-03-28T21·15+0000
commitac4d39f9db28743b6c1e9def7a61241a50b02335 (patch)
tree85311119f03b0d44c8a2fe861706924349b792f1 /nix.spec.in
parentf958bcdf1f9f66759a2512e4b7c0b0ba5647960a (diff)
* Added an operator `?' to test for attribute existence, e.g.,
  `attrs ? x' yields true iff `attrs' has an attribute named `x'.

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