Update default.nix (#42)

numtide · Jan 20, 2022 · 846b2ae · 846b2ae
1 parent 3f197dc
commit 846b2ae
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/default.nix b/default.nix
@@ -120,6 +120,9 @@ let
     in
     builtins.foldl' op { } systems
   ;
+
+  # Builds a map from <attr>=value to <system>.<attr> = value.
+  eachSystemMap = systems: f: builtins.listToAttrs (builtins.map (system: { name = system; value = f system; }) systems);
 
   # Nix flakes insists on having a flat attribute set of derivations in
   # various places like the `packages` and `checks` attributes.