Implement Table Off

table.go

@@ -8,6 +8,7 @@ import (
 type Table interface {
 	On(string, interface{}) error
 	Trigger(string, ...interface{}) error
+	Off(string, interface{})
 }
 
 type table struct {
@@ -45,4 +46,16 @@ func (t *table) On(name string, f interface{}) error {
 	return ev.On(f)
 }
 
+// XXX: return error?
+func (t *table) Off(name string, f interface{}) {
+	t.mu.Lock()
+	defer t.mu.Unlock()
+
+	e, ok := t.events[name]
+	if !ok {
+		return
+	}
+	e.Off(f)
+}
+
 var _ Table = &table{}

table_test.go

@@ -35,3 +35,18 @@ func TestTableTriggerFail(t *testing.T) {
 		t.Error("should return error when event has not been defined yet. But got nil")
 	}
 }
+
+func TestTableOff(t *testing.T) {
+	ta := goevent.NewTable()
+	ta.Off("foo", func() {})
+
+	i := 0
+	f := func() { i++ }
+	ta.On("foo", f)
+	ta.Trigger("foo")
+	ta.Off("foo", f)
+	ta.Trigger("foo")
+	if i != 1 {
+		t.Errorf("i expected 1, but got %d", i)
+	}
+}