Bugfix for Put not updating existing data

ttlMap.go

@@ -22,7 +22,7 @@ import (
 	"time"
 )
 
-const version string = "1.5.0"
+const version string = "1.5.1"
 
 type CustomKeyType interface {
 	comparable
@@ -77,12 +77,7 @@ func (m *TtlMap[T]) Len() int {
 
 func (m *TtlMap[T]) Put(k T, v interface{}) {
 	m.l.Lock()
-	it, ok := m.m[k]
-	if !ok {
-		it = &item{Value: v}
-		m.m[k] = it
-	}
-	it.lastAccess = time.Now().Unix()
+	m.m[k] = &item{Value: v, lastAccess: time.Now().Unix()}
 	m.l.Unlock()
 }
 

ttlMap_test.go

@@ -280,3 +280,25 @@ func TestByteKey(t *testing.T) {
 		t.Errorf("t.Len should be 0, but actually equals %v\n", tm.Len())
 	}
 }
+
+func TestMultiplePuts(t *testing.T) {
+	maxTTL := time.Duration(time.Second * 2)        // time in seconds
+	startSize := 3                                  // initial number of items in map
+	pruneInterval := time.Duration(time.Second * 4) // search for expired items every 'pruneInterval' seconds
+	refreshLastAccessOnGet := true                  // update item's lastAccessTime on a .Get()
+	tm := New[string](maxTTL, startSize, pruneInterval, refreshLastAccessOnGet)
+	defer tm.Close()
+
+	key := "example"
+	tm.Put(key, "original")
+
+	tm.Put(key, "revised")
+	if tm.Get(key) != "revised" {
+		t.Errorf("The '%v' should equal 'revised', but actually equals: '%v'\n", key, tm.Get(key))
+	}
+
+	tm.Put(key, "revised-2")
+	if tm.Get(key) != "revised-2" {
+		t.Errorf("The '%v' should equal 'revised', but actually equals: '%v'\n", key, tm.Get(key))
+	}
+}