[add] ticker

pkg/ticker/ticker.go

@@ -2,7 +2,6 @@ package ticker
 
 import (
 	"context"
-	"fmt"
 	"time"
 )
 
@@ -11,7 +10,7 @@ var _ Ticker = (*ticker)(nil)
 type Ticker interface {
 	worker()
 
-	Process(fun any) error
+	Process(fun func())
 	Stop()
 }
 
@@ -42,16 +41,9 @@ func (t *ticker) worker() {
 	}
 }
 
-func (t *ticker) Process(fun any) error {
-	f, ok := fun.(func())
-	if !ok {
-		return fmt.Errorf("fun is not func")
-	}
-	t.f = f
-
+func (t *ticker) Process(fun func()) {
+	t.f = fun
 	go t.worker()
-
-	return nil
 }
 
 func (t *ticker) Stop() {