tvl-depot/tests/lang/eval-okay-listToAttrs.nix
Marc Weber 2629998e91 primop functions listToAttrs (+test), __isAttrs, __trace added
new configuration style proposal in lib/default-unstable.nix
2007-08-18 22:12:00 +00:00

8 lines
390 B
Nix

# this test shows how to use listToAttrs and that evaluation is still lazy (throw isn't called)
let
asi = attr: value : { inherit attr value; };
list = [ ( asi "a" "A" ) ( asi "b" "B" ) ];
a = builtins.listToAttrs list;
b = builtins.listToAttrs ( list ++ list );
r = builtins.listToAttrs [ (asi "result" [ a b ]) ( asi "throw" (throw "this should not be thrown")) ];
in r.result