feat: add ToSlice and ToSlicePointer and AppendIfAbsent

slice/slice_test.go

@@ -592,3 +592,35 @@ func TestLastIndexOf(t *testing.T) {
 	assert.Equal(1, LastIndexOf(arr, "a"))
 	assert.Equal(-1, LastIndexOf(arr, "d"))
 }
+
+func TestToSlice(t *testing.T) {
+	assert := internal.NewAssert(t, "TestToSlice")
+
+	str1 := "a"
+	str2 := "b"
+	out1 := ToSlice(str1)
+	out2 := ToSlice(str1, str2)
+
+	assert.Equal([]string{"a"}, StringSlice(out1))
+	assert.Equal([]string{"a", "b"}, StringSlice(out2))
+}
+
+func TestToSlicePointer(t *testing.T) {
+	assert := internal.NewAssert(t, "TestToSlicePointer")
+
+	var str1 interface{}
+	str1 = "a"
+	var str2 interface{}
+	str2 = "b"
+
+	assert.Equal([]*interface{}{&str1}, ToSlicePointer(str1))
+	assert.Equal([]*interface{}{&str1, &str2}, ToSlicePointer(str1, str2))
+}
+
+func TestToAppendIfAbsent(t *testing.T) {
+	assert := internal.NewAssert(t, "TestToAppendIfAbsent")
+
+	str1 := []string{"a", "b"}
+	assert.Equal([]string{"a", "b"}, AppendIfAbsent(str1, "a"))
+	assert.Equal([]string{"a", "b", "c"}, AppendIfAbsent(str1, "c"))
+}