nix/eval-fail-remove.nix at 934431d06ca4e3daea07b7fb4fb2789bd9b053b3 - nix - nordic-dev.net

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Eelco Dolstra 040140dd1c * Added a primop `removeAttrs' to remove attributes from a set, e.g.,

`removeAttrs attrs ["x", "y"]' returns the set `attrs' with the
  attributes named `x' and `y' removed.  It is not an error for the
  named attributes to be missing from the input set.

2005-05-18 17:19:21 +00:00

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 let {
   attrs = {x = 123; y = 456;};
   body = (removeAttrs attrs ["x"]).x;
 }