tracing: return (ctx, span) from StartSpan

OpenTelemetry's Tracer#Start() returns (ctx, span). We have no reasons to swap them. Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
2022-01-27 23:35:14 +00:00
parent e751f1f44f
commit cc59ae4d98
2 changed files with 4 additions and 6 deletions
--- a/docs/tracing.md
+++ b/docs/tracing.md
@@ -77,7 +77,7 @@ func clientWithTrace() error {
    }
    defer cancel()

-    span, ctx := tracing.StartSpan(ctx, "OPERATION NAME")
+    ctx, span := tracing.StartSpan(ctx, "OPERATION NAME")
    defer span.End()
    ...
 }