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authorEelco Dolstra <e.dolstra@tudelft.nl>2006-08-23T14·39+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2006-08-23T14·39+0000
commit4a053bfdfd85915a2a659a337bd171bc22c49138 (patch)
tree0f4f9a835d7262fac1a473b515aecf30e4a74236 /src/libexpr/eval.cc
parent68515b5a96d0d7c114570434f605e5077b7d3166 (diff)
* A new primop `builtins', which returns an attribute set containing
  all the primops.  This allows Nix expressions to test for new
  primops and take appropriate action if they're not available.  For
  instance, rather than calling a primop `foo' directly, they could
  say `if builtins ? foo then builtins.foo ... else ...'.

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