c34e96f7e0
This allows querying the location of function arguments. E.g.
builtins.unsafeGetAttrPos "x" (builtins.functionArgs ({ x }: null))
=> { column = 57; file = "/home/infinisil/src/nix/inst/test.nix"; line = 1; }
5 lines
156 B
Nix
5 lines
156 B
Nix
let
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fun = { foo }: {};
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pos = builtins.unsafeGetAttrPos "foo" (builtins.functionArgs fun);
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in { inherit (pos) column line; file = baseNameOf pos.file; }
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