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lib.trivial: save attrset lookups in highly used functions (#520296)

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adisbladis
2026-05-18 02:34:47 +00:00
committed by GitHub
parent 3928961bd4 bb71feaec1
commit bd43f11bc5
1 changed files with 9 additions and 6 deletions
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lib/trivial.nix
+9 -6
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@@ -1101,11 +1101,10 @@ in
```
*/
functionArgs =
f:
if f ? __functor then
f.__functionArgs or (functionArgs (f.__functor f))
else
builtins.functionArgs f;
let
functionArgs = builtins.functionArgs;
in
f: if f ? __functor then f.__functionArgs or (functionArgs (f.__functor f)) else functionArgs f;
/**
Check whether something is a function or something
@@ -1123,7 +1122,11 @@ in
isFunction : Any -> Bool
```
*/
isFunction = f: builtins.isFunction f || (f ? __functor && isFunction (f.__functor f));
isFunction =
let
isFunction = builtins.isFunction;
in
f: isFunction f || (f ? __functor && isFunction (f.__functor f));
/**
`mirrorFunctionArgs f g` creates a new function `g'` with the same behavior as `g` (`g' x == g x`)