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* New builtin functions builtins.{hasAttr, getAttr} to check for

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attribute existence and to return an attribute from an attribute
  set, respectively.  Example: `hasAttr "foo" {foo = 1;}'.  They
  differ from the `?' and `.' operators in that the attribute name is
  an arbitrary expression.  (NIX-61)
This commit is contained in:
Eelco Dolstra 2006-09-22 14:31:55 +00:00
parent 666babbbfa
commit 8a1ab709a4
3 changed files with 27 additions and 0 deletions
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tests/lang/eval-okay-attrs2.exp Normal file
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