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add not fn

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This commit is contained in:
Emile Clark-Boman 2026-01-28 13:51:51 +10:00
parent 20fec532be
commit 2cabb50a38
1 changed files with 12 additions and 1 deletions
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13
nt/primitives/std/prim/fn.nix
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@ -1,4 +1,9 @@
{...}: { {...}: let
inherit
(builtins)
isFunction
;
in rec {
id = x: x; id = x: x;
# syntactic sugar for curry flipping # syntactic sugar for curry flipping
@ -15,4 +20,10 @@
if x != null if x != null
then f x then f x
else x; else x;
not = f:
if isFunction f
then x: not (f x)
# WARNING: assume isBool holds (or fail)
else ! f;
} }