doc: update slice and convertor document

docs/convertor.md

@@ -394,6 +394,32 @@ func main() {
 ```
 
 
+### <span id="ToString">ToString</span>
+
+<p>ToString convert value to string, for number, string, []byte, will convert to string. For other type (slice, map, array, struct) will call json.Marshal</p>
+
+<b>Signature:</b>
+
+```go
+func ToString(value any) string
+```
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/convertor"
+)
+
+func main() {
+    fmt.Printf("%q", convertor.ToString(1)) //"1"
+    fmt.Printf("%q", convertor.ToString(1.1)) //"1.1"
+    fmt.Printf("%q", convertor.ToString([]int{1, 2, 3})) //"[1,2,3]"
+}
+```
+
 
 ### <span id="StructToMap">StructToMap</span>
 

docs/convertor_zh-CN.md

@@ -400,7 +400,7 @@ func main() {
 
 ### <span id="ToString">ToString</span>
 
-<p>将interface转成字符串</p>
+<p>将值转换为字符串，对于数字、字符串、[]byte，将转换为字符串。 对于其他类型（切片、映射、数组、结构）将调用 json.Marshal</p>
 
 <b>函数签名:</b>
 

docs/slice.md

@@ -185,7 +185,7 @@ func main() {
 <b>Signature:</b>
 
 ```go
-func Compact[T any](slice []T) []T
+func Compact[T comparable](slice []T) []T
 ```
 
 <b>Example:</b>

docs/slice_zh-CN.md

@@ -188,7 +188,7 @@ func main() {
 <b>函数签名:</b>
 
 ```go
-func Compact[T any](slice []T) []T
+func Compact[T comparable](slice []T) []T
 ```
 
 <b>例子:</b>