fix: modify interface check way (#3327)

binding/default_validator.go

@@ -43,7 +43,7 @@ func (err SliceValidationError) Error() string {
 	}
 }
 
-var _ StructValidator = &defaultValidator{}
+var _ StructValidator = (*defaultValidator)(nil)
 
 // ValidateStruct receives any kind of type, but only performed struct or pointer to struct type.
 func (v *defaultValidator) ValidateStruct(obj any) error {

context_test.go

@@ -30,7 +30,7 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-var _ context.Context = &Context{}
+var _ context.Context = (*Context)(nil)
 
 // Unit tests TODO
 // func (c *Context) File(filepath string) {

errors.go

@@ -39,7 +39,7 @@ type Error struct {
 
 type errorMsgs []*Error
 
-var _ error = &Error{}
+var _ error = (*Error)(nil)
 
 // SetType sets the error's type.
 func (msg *Error) SetType(flags ErrorType) *Error {

gin.go

@@ -166,7 +166,7 @@ type Engine struct {
 	trustedCIDRs     []*net.IPNet
 }
 
-var _ IRouter = &Engine{}
+var _ IRouter = (*Engine)(nil)
 
 // New returns a new blank Engine instance without any middleware attached.
 // By default, the configuration is:

response_writer.go

@@ -49,7 +49,7 @@ type responseWriter struct {
 	status int
 }
 
-var _ ResponseWriter = &responseWriter{}
+var _ ResponseWriter = (*responseWriter)(nil)
 
 func (w *responseWriter) reset(writer http.ResponseWriter) {
 	w.ResponseWriter = writer

routergroup.go

@@ -58,7 +58,7 @@ type RouterGroup struct {
 	root     bool
 }
 
-var _ IRouter = &RouterGroup{}
+var _ IRouter = (*RouterGroup)(nil)
 
 // Use adds middleware to the group, see example code in GitHub.
 func (group *RouterGroup) Use(middleware ...HandlerFunc) IRoutes {