From 147e4a498dc52ee78e5313354c6e3771199d2da4 Mon Sep 17 00:00:00 2001
From: shockerli <shockerli@upfor.club>
Date: Sat, 30 Nov 2024 21:04:02 +0800
Subject: [PATCH] update docs

---
 doc/content/en/type/map.md       | 17 ++++++++++++++++
 doc/content/en/type/others.md    | 28 +++++++++++++++++++++++++
 doc/content/zh-cn/type/map.md    | 17 ++++++++++++++++
 doc/content/zh-cn/type/others.md | 35 +++++++++++++++++++++++++++++---
 4 files changed, 94 insertions(+), 3 deletions(-)

diff --git a/doc/content/en/type/map.md b/doc/content/en/type/map.md
index 75d598a..fbafe0e 100644
--- a/doc/content/en/type/map.md
+++ b/doc/content/en/type/map.md
@@ -9,6 +9,7 @@ weight: 70
 ## StringMapE
 
 - Map
+
 ```go
 // expect: map[string]interface{}{"111": "cvt", "222": 3.21}
 cvt.StringMapE(map[interface{}]interface{}{111: "cvt", "222": 3.21})
@@ -25,11 +26,27 @@ cvt.StringMapE(struct {
 ```
 
 - JSON
+
 ```go
 // expect: map[string]interface{}{"name": "cvt", "age": 3.21}
 cvt.StringMapE(`{"name":"cvt","age":3.21}`)
 ```
 
+## IntMapE
+
+- Map
+
+```go
+// expect: map[int]interface{}{111: "cvt", 222: 3.21}
+cvt.IntMapE(map[interface{}]interface{}{111: "cvt", "222": 3.21})
+```
+
+- JSON
+
+```go
+// expect: map[int]interface{}{1: "cvt", 2: 3.21}
+cvt.IntMapE(`{"1":"cvt","2":3.21}`)
+```
 
 > More case see unit: `map_test.go`
 
diff --git a/doc/content/en/type/others.md b/doc/content/en/type/others.md
index f651721..e9f009a 100644
--- a/doc/content/en/type/others.md
+++ b/doc/content/en/type/others.md
@@ -34,6 +34,34 @@ Combine with other methods:
 cvt.Int(cvt.Field(map[int]interface{}{123: "112233"}, 123)) // 112233
 ```
 
+## Len
+return size of string, slice, array or map.
+
+```go
+cvt.Len("Hello") // 5
+cvt.Len([]int{1, 2, 3}) // 3
+cvt.Len([]interface{}{1, "2", 3.0}}) // 3
+cvt.Len(map[int]interface{}{1: 1, 2: 2}) // 2
+```
+
+## IsEmpty
+checks value for empty state.
+
+```go
+cvt.IsEmpty("") // true
+cvt.IsEmpty("123") // false
+cvt.IsEmpty(nil) // true
+cvt.IsEmpty(true) // false
+cvt.IsEmpty(false) // true
+cvt.IsEmpty(0) // true
+cvt.IsEmpty(1) // false
+cvt.IsEmpty(180) // false
+cvt.IsEmpty(1.23) // false
+cvt.IsEmpty([]bool{}) // true
+cvt.IsEmpty([]int{1, 2}) // false
+cvt.IsEmpty(map[int]interface{}(nil)) // true
+cvt.IsEmpty(map[string]string{"1": "1", "2": "2"}) // false
+```
 
 > More case see unit: `cvte_test.go`
 
diff --git a/doc/content/zh-cn/type/map.md b/doc/content/zh-cn/type/map.md
index ff6408b..0d7e451 100644
--- a/doc/content/zh-cn/type/map.md
+++ b/doc/content/zh-cn/type/map.md
@@ -9,6 +9,7 @@ weight: 70
 ## StringMapE
 
 - Map
+
 ```go
 // expect: map[string]interface{}{"111": "cvt", "222": 3.21}
 cvt.StringMapE(map[interface{}]interface{}{111: "cvt", "222": 3.21})
@@ -25,11 +26,27 @@ cvt.StringMapE(struct {
 ```
 
 - JSON
+
 ```go
 // expect: map[string]interface{}{"name": "cvt", "age": 3.21}
 cvt.StringMapE(`{"name":"cvt","age":3.21}`)
 ```
 
+## IntMapE
+
+- Map
+
+```go
+// expect: map[int]interface{}{111: "cvt", 222: 3.21}
+cvt.IntMapE(map[interface{}]interface{}{111: "cvt", "222": 3.21})
+```
+
+- JSON
+
+```go
+// expect: map[int]interface{}{1: "cvt", 2: 3.21}
+cvt.IntMapE(`{"1":"cvt","2":3.21}`)
+```
 
 > 更多示例请看单元测试：`map_test.go`
 
diff --git a/doc/content/zh-cn/type/others.md b/doc/content/zh-cn/type/others.md
index 308256a..2b5e70c 100644
--- a/doc/content/zh-cn/type/others.md
+++ b/doc/content/zh-cn/type/others.md
@@ -8,10 +8,10 @@ weight: 80
 
 
 ## Field
-参考 `FieldE` 方法。
+Reference method `FieldE`.
 
 ## FieldE
-取 `map` 或 `struct` 的字段值，返回 `interface{}`。
+Return the field value from map/struct, `interface{}`.
 
 ```go
 // map
@@ -29,12 +29,41 @@ cvt.FieldE(struct{
 }{"Hello", 18}, "B") // 18
 ```
 
-`Field` 与其他方法结合使用：
+Combine with other methods:
 
 ```go
 cvt.Int(cvt.Field(map[int]interface{}{123: "112233"}, 123)) // 112233
 ```
 
+## Len
+return size of string, slice, array or map.
+
+```go
+cvt.Len("Hello") // 5
+cvt.Len([]int{1, 2, 3}) // 3
+cvt.Len([]interface{}{1, "2", 3.0}}) // 3
+cvt.Len(map[int]interface{}{1: 1, 2: 2}) // 2
+```
+
+## IsEmpty
+checks value for empty state.
+
+```go
+cvt.IsEmpty("") // true
+cvt.IsEmpty("123") // false
+cvt.IsEmpty(nil) // true
+cvt.IsEmpty(true) // false
+cvt.IsEmpty(false) // true
+cvt.IsEmpty(0) // true
+cvt.IsEmpty(1) // false
+cvt.IsEmpty(180) // false
+cvt.IsEmpty(1.23) // false
+cvt.IsEmpty([]bool{}) // true
+cvt.IsEmpty([]int{1, 2}) // false
+cvt.IsEmpty(map[int]interface{}(nil)) // true
+cvt.IsEmpty(map[string]string{"1": "1", "2": "2"}) // false
+```
+
 
 > 更多示例请看单元测试：`cvte_test.go`