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Diffstat (limited to 'users/sterni/nix/fun/default.nix')
| -rw-r--r-- | users/sterni/nix/fun/default.nix | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/users/sterni/nix/fun/default.nix b/users/sterni/nix/fun/default.nix index a32b70a62b..6b3541ed4c 100644 --- a/users/sterni/nix/fun/default.nix +++ b/users/sterni/nix/fun/default.nix @@ -26,6 +26,19 @@ let lrs = x: fs: builtins.foldl' (v: f: f v) x fs; + # Warning: cursed function + # + # Check if a function has an attribute + # set pattern with an ellipsis as its argument. + # + # s/o to puck for discovering that you could use + # builtins.toXML to introspect functions more than + # you should be able to in Nix. + hasEllipsis = f: + builtins.isFunction f && + builtins.match ".*<attrspat ellipsis=\"1\">.*" + (builtins.toXML f) != null; + in { @@ -41,5 +54,6 @@ in rls lr lrs + hasEllipsis ; } |