snapshot of https://github.com/ThreeDotsLabs/watermill.git (master, 2026-09-15; blobs > 131072B omitted)

components/cqrs/object.go

@@ -0,0 +1,23 @@
+package cqrs
+
+import (
+	"reflect"
+)
+
+func isPointer(v interface{}) error {
+	rv := reflect.ValueOf(v)
+
+	if rv.Kind() != reflect.Pointer || rv.IsNil() {
+		return NonPointerError{rv.Type()}
+	}
+
+	return nil
+}
+
+type NonPointerError struct {
+	Type reflect.Type
+}
+
+func (e NonPointerError) Error() string {
+	return "non-pointer command: " + e.Type.String() + ", handler.NewCommand() should return pointer to the command"
+}