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Diffstat (limited to 'tests/lang/eval-okay-listtoattrs.nix')
| -rw-r--r-- | tests/lang/eval-okay-listtoattrs.nix | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/lang/eval-okay-listtoattrs.nix b/tests/lang/eval-okay-listtoattrs.nix new file mode 100644 index 000000000000..d5cd726b0c64 --- /dev/null +++ b/tests/lang/eval-okay-listtoattrs.nix @@ -0,0 +1,10 @@ +# this test shows how to use listToAttrs and that evaluation is still lazy (throw isn't called) +with import ./lib.nix; + +let + asi = name: value : { inherit name 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 concat (map (x: x.a) r.result) |