From 28317a168326e4ec3d348980c0d8843a881c01fe Mon Sep 17 00:00:00 2001
From: dudaodong <lanliddd.2007@163.com>
Date: Wed, 19 Jan 2022 20:41:46 +0800
Subject: [PATCH] feat: remove ConvertSlice func

---
 README.md           |  1 -
 README_zh-CN.md     |  1 -
 slice/slice.go      | 21 ---------------------
 slice/slice_test.go | 14 +-------------
 4 files changed, 1 insertion(+), 36 deletions(-)

diff --git a/README.md b/README.md
index 9aa3765..3dfee18 100644
--- a/README.md
+++ b/README.md
@@ -434,7 +434,6 @@ func main() {
 func Contain(slice interface{}, value interface{}) bool //check if the value is in the slice or not
 func ContainSubSlice(slice interface{}, subslice interface{}) bool //check if the slice contain subslice or not
 func Chunk(slice []interface{}, size int) [][]interface{} //creates an slice of elements split into groups the length of `size`
-func ConvertSlice(originalSlice interface{}, newSliceType reflect.Type) interface{} //convert originalSlice to newSliceType
 func Difference(slice1, slice2 interface{}) interface{} //creates an slice of whose element not included in the other given slice
 func DeleteByIndex(slice interface{}, start int, end ...int) (interface{}, error) //delete the element of slice from start index to end index - 1
 func Drop(slice interface{}, n int) interface{} //creates a slice with `n` elements dropped from the beginning when n > 0, or `n` elements dropped from the ending when n < 0
diff --git a/README_zh-CN.md b/README_zh-CN.md
index fdc9a70..b9a653b 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -434,7 +434,6 @@ func main() {
 func Contain(slice interface{}, value interface{}) bool //判断slice是否包含value
 func ContainSubSlice(slice interface{}, subslice interface{}) bool //判断slice是否包含subslice
 func Chunk(slice []interface{}, size int) [][]interface{} //均分slice
-func ConvertSlice(originalSlice interface{}, newSliceType reflect.Type) interface{} //将originalSlice转换为 newSliceType
 func Difference(slice1, slice2 interface{}) interface{} //返回切片，其元素在slice1中，不在slice2中
 func DeleteByIndex(slice interface{}, start int, end ...int) (interface{}, error) //删除切片中start到end位置的值
 func Drop(slice interface{}, n int) interface{} //创建一个新切片，当n大于0时删除原切片前n个元素，当n小于0时删除原切片后n个元素
diff --git a/slice/slice.go b/slice/slice.go
index 3af5f37..ea9e1f8 100644
--- a/slice/slice.go
+++ b/slice/slice.go
@@ -12,7 +12,6 @@ import (
 	"reflect"
 	"sort"
 	"strings"
-	"unsafe"
 )
 
 // Contain check if the value is in the iterable type or not
@@ -427,26 +426,6 @@ func IntSlice(slice interface{}) []int {
 	return out
 }
 
-// ConvertSlice convert original slice to new data type element of slice.
-func ConvertSlice(originalSlice interface{}, newSliceType reflect.Type) interface{} {
-	sv := sliceValue(originalSlice)
-	if newSliceType.Kind() != reflect.Slice {
-		panic(fmt.Sprintf("Invalid newSliceType(non-slice type of type %T)", newSliceType))
-	}
-
-	newSlice := reflect.New(newSliceType)
-
-	hdr := (*reflect.SliceHeader)(unsafe.Pointer(newSlice.Pointer()))
-
-	var newElemSize = int(sv.Type().Elem().Size()) / int(newSliceType.Elem().Size())
-
-	hdr.Cap = sv.Cap() * newElemSize
-	hdr.Len = sv.Len() * newElemSize
-	hdr.Data = sv.Pointer()
-
-	return newSlice.Elem().Interface()
-}
-
 // DeleteByIndex delete the element of slice from start index to end index - 1.
 // Delete i: s = append(s[:i], s[i+1:]...)
 // Delete i to j: s = append(s[:i], s[j:]...)
diff --git a/slice/slice_test.go b/slice/slice_test.go
index cb8763b..ea452d8 100644
--- a/slice/slice_test.go
+++ b/slice/slice_test.go
@@ -74,19 +74,6 @@ func TestChunk(t *testing.T) {
 	assert.Equal(r5, Chunk(InterfaceSlice(arr), 5))
 }
 
-func TestConvertSlice(t *testing.T) {
-	//t1 := []string{"1","2"}
-	//aInt, _ := strconv.ParseInt("1", 10, 64)
-	//bInt, _ := strconv.ParseInt("2", 10, 64)
-	//expected :=[]int64{aInt, bInt}
-	//
-	//a := ConvertSlice(t1, reflect.TypeOf(expected))
-	//if !reflect.DeepEqual(a, expected) {
-	//	utils.LogFailedTestInfo(t, "ConvertSlice", t1, expected, a)
-	//	t.FailNow()
-	//}
-}
-
 func TestEvery(t *testing.T) {
 	nums := []int{1, 2, 3, 5}
 	isEven := func(i, num int) bool {
@@ -430,6 +417,7 @@ func TestIntersection(t *testing.T) {
 	for i := 0; i < len(res); i++ {
 		assert.Equal(res[i], expected[i])
 	}
+	assert.IsNil(Intersection())
 }
 
 func TestReverseSlice(t *testing.T) {