chore: check interface satisfaction w/o allocating new variable (#1454)

2022-01-16 23:34:42 +08:00
parent 272a3f347d
commit ce05c429fc
1 changed files with 1 additions and 1 deletions
--- a/core/trace/tracer.go
+++ b/core/trace/tracer.go
@@ -10,7 +10,7 @@ import (
 )

 // assert that metadataSupplier implements the TextMapCarrier interface
-var _ propagation.TextMapCarrier = new(metadataSupplier)
+var _ propagation.TextMapCarrier = (*metadataSupplier)(nil)

 type metadataSupplier struct {
 	metadata *metadata.MD