third_party/nix/src/tests/lang/eval-okay-builtins.nix


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assert builtins ? currentSystem;
assert !builtins ? __currentSystem;

let {

  x = if builtins ? dirOf then builtins.dirOf /foo/bar else "";

  y = if builtins ? fnord then builtins.fnord "foo" else "";

  body = x + y;
  
}