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authorJoe Tsai <joetsai@digital-static.net>2025-09-08 17:33:47 -0700
committerJoseph Tsai <joetsai@digital-static.net>2025-09-10 00:58:35 -0700
commit30686c4cc89e6952ec00846e34016f37d53f31dd (patch)
tree3a9648a9c491c5e12d9b6df0f24815d0256bc429 /src/encoding/json/v2/errors.go
parentc5737dc21bbac9fbefc35ac9313e66291d66b382 (diff)
downloadgo-30686c4cc89e6952ec00846e34016f37d53f31dd.tar.xz
encoding/json/v2: document context annotation with SemanticError
When the json package calls Marshaler, MarshalerTo, Unmarshaler, or UnmarshalerFrom methods and a SemanticError is returned, it will automatically annotate the error with context. Document this behavior. Change-Id: Id8e775a7c1c2a6ffc29ea518913591915e8aff87 Reviewed-on: https://go-review.googlesource.com/c/go/+/701956 Reviewed-by: Damien Neil <dneil@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/encoding/json/v2/errors.go')
-rw-r--r--src/encoding/json/v2/errors.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/encoding/json/v2/errors.go b/src/encoding/json/v2/errors.go
index 940b720210..9485d7b527 100644
--- a/src/encoding/json/v2/errors.go
+++ b/src/encoding/json/v2/errors.go
@@ -62,6 +62,11 @@ func isFatalError(err error, flags jsonflags.Flags) bool {
// SemanticError describes an error determining the meaning
// of JSON data as Go data or vice-versa.
//
+// If a [Marshaler], [MarshalerTo], [Unmarshaler], or [UnmarshalerFrom] method
+// returns a SemanticError when called by the [json] package,
+// then the ByteOffset, JSONPointer, and GoType fields are automatically
+// populated by the calling context if they are the zero value.
+//
// The contents of this error as produced by this package may change over time.
type SemanticError struct {
requireKeyedLiterals