event: add Sprint

1 files changed, 13 insertions, 0 deletions

diff --git a/event/dispatch.go b/event/dispatch.go
index 41247b0..6fe0102 100644
--- a/event/dispatch.go
+++ b/event/dispatch.go
@@ -1,12 +1,25 @@
 package event
 
 import (
+	"bytes"
+	"fmt"
 	"strings"
 	"sync"
 )
 
 const Sep = "/"
 
+func Sprint(a ...interface{}) string {
+	var buf bytes.Buffer
+	for i := range a {
+		if i > 0 {
+			buf.WriteString(Sep)
+		}
+		fmt.Fprint(&buf, a[i])
+	}
+	return buf.String()
+}
+
 type Dispatch struct {
 	mu       sync.Mutex
 	handlers []func(event string) bool