remove unused routes

Author: Yury Miadzelets

mapper_test.go

@@ -221,6 +221,18 @@ func TestMap(t *testing.T) {
 			assert.Equal(t, source[i].Name, dest[i].Name)
 		}
 	})
+	t.Run("Source is an empty slice", func(t *testing.T) {
+		source := make([]TestingStructSource, 0)
+		var dest []TestingStructDest
+		err := Map(source, &dest)
+		assert.NoError(t, err)
+		assert.NotNil(t, source)
+		assert.NotNil(t, dest)
+		assert.Equal(t, len(source), len(dest))
+		for i := range source {
+			assert.Equal(t, source[i].Name, dest[i].Name)
+		}
+	})
 	t.Run("Source is a pointer to slice", func(t *testing.T) {
 		source := &[]TestingStructSource{
 			{
@@ -241,6 +253,17 @@ func TestMap(t *testing.T) {
 			assert.Equal(t, (*source)[i].Name, dest[i].Name)
 		}
 	})
+	t.Run("Source is a pointer to empty slice", func(t *testing.T) {
+		arr := make([]TestingStructSource, 0)
+		source := &arr
+		var dest []TestingStructDest
+		err := Map(source, &dest)
+		assert.NoError(t, err)
+		assert.Equal(t, len(*source), len(dest))
+		for i := range *source {
+			assert.Equal(t, (*source)[i].Name, dest[i].Name)
+		}
+	})
 	t.Run("Dest is a not a pointer", func(t *testing.T) {
 		source := TestingStructSource{Name: "Test1"}
 		dest := TestingStructDest{}

routes.go

@@ -52,32 +52,6 @@ func addSliceRoutes[TSource, TDest any]() {
 		return nil
 	})
 	//source slice is a value, dest slice is a pointer
-	addSliceRoute(func(sourceSlice *[]TSource, pointerDestSlice *[]TDest) error {
-		if len(*sourceSlice) == 0 {
-			*pointerDestSlice = make([]TDest, 0)
-		}
-		for _, source := range *sourceSlice {
-			dest, err := MapTo[TDest](source)
-			if err != nil {
-				return err
-			}
-			*pointerDestSlice = append(*pointerDestSlice, dest)
-		}
-		return nil
-	})
-	addSliceRoute(func(sourceSlice *[]TSource, pointerDestSlice *[]*TDest) error {
-		if len(*sourceSlice) == 0 {
-			*pointerDestSlice = make([]*TDest, 0)
-		}
-		for _, source := range *sourceSlice {
-			dest, err := MapTo[TDest](source)
-			if err != nil {
-				return err
-			}
-			*pointerDestSlice = append(*pointerDestSlice, &dest)
-		}
-		return nil
-	})
 	addSliceRoute(func(sourceSlice []*TSource, pointerDestSlice *[]TDest) error {
 		if len(sourceSlice) == 0 {
 			*pointerDestSlice = make([]TDest, 0)
@@ -104,32 +78,6 @@ func addSliceRoutes[TSource, TDest any]() {
 		}
 		return nil
 	})
-	addSliceRoute(func(sourceSlice *[]*TSource, pointerDestSlice *[]TDest) error {
-		if len(*sourceSlice) == 0 {
-			*pointerDestSlice = make([]TDest, 0)
-		}
-		for _, source := range *sourceSlice {
-			dest, err := MapTo[TDest](source)
-			if err != nil {
-				return err
-			}
-			*pointerDestSlice = append(*pointerDestSlice, dest)
-		}
-		return nil
-	})
-	addSliceRoute(func(sourceSlice *[]*TSource, pointerDestSlice *[]*TDest) error {
-		if len(*sourceSlice) == 0 {
-			*pointerDestSlice = make([]*TDest, 0)
-		}
-		for _, source := range *sourceSlice {
-			dest, err := MapTo[TDest](source)
-			if err != nil {
-				return err
-			}
-			*pointerDestSlice = append(*pointerDestSlice, &dest)
-		}
-		return nil
-	})
 }
 
 func addRoute[TSource, TDest any | []any](mapFunc func(source TSource, dest *TDest) error) error {