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guix/tests/lang/parse-fail-patterns-1.nix

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* @-patterns as in Haskell. For instance, in a function definition f = args @ {x, y, z}: ...; `args' refers to the argument as a whole, which is further pattern-matched against the attribute set pattern {x, y, z}.
2008-08-14 12:53:29 +00:00
args@{args, x, y, z}: x
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