fix(decode): report the smallest unknown field deterministically

Assisted-by: GLM 5.3
2026-09-17 23:11:38 +02:00
parent 4def1b3e8b
commit 3c8ac859c0
4 changed files with 42 additions and 4 deletions
@@ -186,7 +186,8 @@ A typo such as `database_urls` then fails with
 `interpres: unknown field "database_urls" for main.Config` instead of a silent
 default-zero run. Strictness applies to every struct the decode reaches, at any
 depth, including struct elements inside slices; map destinations accept every
-key by nature.
+key by nature. When several keys are unknown, the message names the smallest
+one, so it does not depend on map iteration order.

 ### Cancellation