makeOverridable
lib.makeOverridable
Docs pulled from | This Revision | about 9 hours ago
makeOverridable takes a function from attribute set to attribute set and
injects override attribute which can be used to override arguments of
the function.
Please refer to documentation on <pkg>.overrideDerivation to learn about overrideDerivation and caveats
related to its use.
Inputs
f-
1. Function argument
Type
makeOverridable :: (AttrSet -> a) -> AttrSet -> a
Examples
lib.customisation.makeOverridable usage example
nix-repl> x = {a, b}: { result = a + b; }
nix-repl> y = lib.makeOverridable x { a = 1; b = 2; }
nix-repl> y
{ override = «lambda»; overrideDerivation = «lambda»; result = 3; }
nix-repl> y.override { a = 10; }
{ override = «lambda»; overrideDerivation = «lambda»; result = 12; }