1 files changed, 9 insertions, 0 deletions
diff --git a/rpc/errors.go b/rpc/errors.go
index c3aa826..dbfde8b 100644
--- a/rpc/errors.go
+++ b/rpc/errors.go
@@ -18,6 +18,15 @@ package rpc
 
 import "fmt"
 
+var (
+	_ Error = new(methodNotFoundError)
+	_ Error = new(subscriptionNotFoundError)
+	_ Error = new(parseError)
+	_ Error = new(invalidRequestError)
+	_ Error = new(invalidMessageError)
+	_ Error = new(invalidParamsError)
+)
+
 const defaultErrorCode = -32000
 
 type methodNotFoundError struct{ method string }