add trivial.warnIf

2026-01-15 13:34:02 +10:00 · 2026-01-15 13:34:02 +10:00 · f6c33420ea
commit f6c33420ea
parent 8c57b7d2d3
1 changed files with 11 additions and 1 deletions
--- a/nib/std/trivial.nix
+++ b/nib/std/trivial.nix
@ -1,4 +1,9 @@
-{...}: {
+{...}: let
+  inherit
+    (builtins)
+    warn
+    ;
+in {
  id = x: x;

  min = x: y:
@ -10,4 +15,9 @@
    if x > y
    then x
    else y;
+
+  warnIf = cond: msg:
+    if cond
+    then warn msg
+    else x: x;
 }