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

3 years ago · ce05c429fc
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