feat: add RandIntSlice function

README.md

@@ -1167,7 +1167,7 @@ import "github.com/duke-git/lancet/v2/random"
 -   **<big>UUIdV4</big>** : generate a random UUID of version 4 according to RFC 4122.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#UUIdV4)]
     [[play](https://go.dev/play/p/_Z9SFmr28ft)]
--   **<big>RandUniqueIntSlice</big>** : generate a slice of random int of length n that do not repeat.
+-   **<big>RandUniqueIntSlice</big>** : generate a slice of random int that do not repeat.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandUniqueIntSlice)]
     [[play](https://go.dev/play/p/uBkRSOz73Ec)]
 -   **<big>RandSymbolChar</big>** : Generate a random symbol char of specified length.
@@ -1178,7 +1178,7 @@ import "github.com/duke-git/lancet/v2/random"
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandFloat)]
     [[play](https://go.dev/play/p/zbD_tuobJtr)]
 
--   **<big>RandFloats</big>** : Generate a slice of random float64 numbers of length n that do not repeat.
+-   **<big>RandFloats</big>** : Generate a slice of random float64 numbers that do not repeat.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/random.md#RandFloats)]
     [[play](https://go.dev/play/p/I3yndUQ-rhh)]
 

README_zh-CN.md

@@ -1169,7 +1169,7 @@ import "github.com/duke-git/lancet/v2/random"
 -   **<big>UUIdV4</big>** : 生成 UUID v4 字符串。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#UUIdV4)]
     [[play](https://go.dev/play/p/_Z9SFmr28ft)]
--   **<big>RandUniqueIntSlice</big>** : 生成一个不重复的长度为 n 的随机 int 切片。
+-   **<big>RandUniqueIntSlice</big>** : 生成一个不重复的随机int切片。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/random.md#RandUniqueIntSlice)]
     [[play](https://go.dev/play/p/uBkRSOz73Ec)]
 -   **<big>RandSymbolChar</big>** : 生成给定长度的随机符号字符串。

docs/api/packages/random.md

@@ -31,6 +31,7 @@ import (
 -   [RandNumeralOrLetter](#RandNumeralOrLetter)
 -   [RandSymbolChar](#RandSymbolChar)
 -   [UUIdV4](#UUIdV4)
+-   [RandIntSlice](#RandIntSlice)
 -   [RandUniqueIntSlice](#RandUniqueIntSlice)
 -   [RandFloat](#RandFloat)
 -   [RandFloats](#RandFloats)
@@ -276,14 +277,40 @@ func main() {
 }
 ```
 
+### <span id="RandIntSlice">RandIntSlice</span>
+
+<p>生成一个特定长度的随机int切片，数值范围[min, max)。</p>
+
+<b>函数签名:</b>
+
+```go
+func RandIntSlice(length, min, max int) []int
+```
+
+<b>示例:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/random"
+)
+
+func main() {
+    result := random.RandIntSlice(5, 0, 10)
+    fmt.Println(result) //[1 2 7 1 5] (random)
+}
+```
+
 ### <span id="RandUniqueIntSlice">RandUniqueIntSlice</span>
 
-<p>生成一个不重复的长度为n的随机int切片。</p>
+<p>生成一个特定长度的，数值不重复的随机int切片，数值范围[min, max)。</p>
 
 <b>函数签名:</b>
 
 ```go
-func RandUniqueIntSlice(n, min, max int) []int
+func RandUniqueIntSlice(length, min, max int) []int
 ```
 
 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/uBkRSOz73Ec)</span></b>
@@ -304,7 +331,7 @@ func main() {
 
 ### <span id="RandFloat">RandFloat</span>
 
-<p>生成随机float64数字，可以指定范围和精度。</p>
+<p>生成一个随机float64数值，可以指定精度。数值范围[min, max)。</p>
 
 <b>函数签名:</b>
 
@@ -330,7 +357,7 @@ func main() {
 
 ### <span id="RandFloats">RandFloats</span>
 
-<p>生成随机float64数字切片，指定长度，范围和精度.</p>
+<p>生成一个特定长度的随机float64切片，可以指定数值精度。数值范围[min, max)。</p>
 
 <b>函数签名:</b>
 

docs/en/api/packages/random.md

@@ -31,6 +31,7 @@ import (
 -   [RandNumeralOrLetter](#RandNumeralOrLetter)
 -   [RandSymbolChar](#RandSymbolChar)
 -   [UUIdV4](#UUIdV4)
+-   [RandIntSlice](#RandIntSlice)
 -   [RandUniqueIntSlice](#RandUniqueIntSlice)
 -   [RandFloat](#RandFloat)
 -   [RandFloats](#RandFloats)
@@ -276,15 +277,41 @@ func main() {
 }
 ```
 
+### <span id="RandIntSlice">RandIntSlice</span>
+
+<p>Generate a slice of random int. Number range in [min, max)</p>
+
+<b>Signature:</b>
+
+```go
+func RandIntSlice(length, min, max int) []int
+```
+
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/random"
+)
+
+func main() {
+    result := random.RandIntSlice(5, 0, 10)
+    fmt.Println(result) //[1 4 7 1 5] (random)
+}
+```
+
 
 ### <span id="RandUniqueIntSlice">RandUniqueIntSlice</span>
 
-<p>Generate a slice of random int of length n that do not repeat.</p>
+<p>Generate a slice of random int of length that do not repeat. Number range in [min, max)</p>
 
 <b>Signature:</b>
 
 ```go
-func RandUniqueIntSlice(n, min, max int) []int
+func RandUniqueIntSlice(length, min, max int) []int
 ```
 
 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/uBkRSOz73Ec)</span></b>
@@ -331,12 +358,12 @@ func main() {
 
 ### <span id="RandFloats">RandFloats</span>
 
-<p>Generate a slice of random float64 numbers of length n that do not repeat.</p>
+<p>Generate a slice of random float64 numbers of length n that do not repeat. Number range in [min, max)</p>
 
 <b>Signature:</b>
 
 ```go
-func RandFloats(n int, min, max float64, precision int) []float64
+func RandFloats(length int, min, max float64, precision int) []float64
 ```
 
 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/I3yndUQ-rhh)</span></b>

random/random.go

@@ -42,6 +42,10 @@ func RandInt(min, max int) int {
 		min, max = max, min
 	}
 
+	if min == 0 && max == math.MaxInt {
+		return rand.Int()
+	}
+
 	return rand.Intn(max-min) + min
 }
 
@@ -186,19 +190,35 @@ func UUIdV4() (string, error) {
 	return fmt.Sprintf("%x-%x-%x-%x-%x", uuid[0:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:]), nil
 }
 
-// RandUniqueIntSlice generate a slice of random int of length n that do not repeat.
+// RandIntSlice generates a slice of random integers.
+// The generated integers are between min and max (exclusive).
+// Play: todo
+func RandIntSlice(length, min, max int) []int {
+	if length <= 0 || min > max {
+		return []int{}
+	}
+
+	result := make([]int, length)
+	for i := range result {
+		result[i] = RandInt(min, max)
+	}
+
+	return result
+}
+
+// RandUniqueIntSlice generate a slice of random int of length that do not repeat.
 // Play: https://go.dev/play/p/uBkRSOz73Ec
-func RandUniqueIntSlice(n, min, max int) []int {
+func RandUniqueIntSlice(length, min, max int) []int {
 	if min > max {
 		return []int{}
 	}
-	if n > max-min {
-		n = max - min
+	if length > max-min {
+		length = max - min
 	}
 
-	nums := make([]int, n)
-	used := make(map[int]struct{}, n)
-	for i := 0; i < n; {
+	nums := make([]int, length)
+	used := make(map[int]struct{}, length)
+	for i := 0; i < length; {
 		r := RandInt(min, max)
 		if _, use := used[r]; use {
 			continue
@@ -211,12 +231,12 @@ func RandUniqueIntSlice(n, min, max int) []int {
 	return nums
 }
 
-// RandFloats generate a slice of random float64 numbers of length n that do not repeat.
+// RandFloats generate a slice of random float64 numbers of length that do not repeat.
 // Play: https://go.dev/play/p/I3yndUQ-rhh
-func RandFloats(n int, min, max float64, precision int) []float64 {
-	nums := make([]float64, n)
-	used := make(map[float64]struct{}, n)
-	for i := 0; i < n; {
+func RandFloats(length int, min, max float64, precision int) []float64 {
+	nums := make([]float64, length)
+	used := make(map[float64]struct{}, length)
+	for i := 0; i < length; {
 		r := RandFloat(min, max, precision)
 		if _, use := used[r]; use {
 			continue

random/random_test.go

@@ -196,3 +196,27 @@ func TestRandFloats(t *testing.T) {
 
 	assert.Equal(len(numbers), 5)
 }
+
+func TestRandIntSlice(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRandIntSlice")
+
+	t.Run("empty slice", func(t *testing.T) {
+		numbers := RandIntSlice(-1, 1, 5)
+		assert.Equal([]int{}, numbers)
+
+		numbers = RandIntSlice(0, 1, 5)
+		assert.Equal([]int{}, numbers)
+
+		numbers = RandIntSlice(3, 5, 1)
+		assert.Equal([]int{}, numbers)
+	})
+
+	t.Run("random int slice", func(t *testing.T) {
+		numbers := RandIntSlice(5, 1, 1)
+		assert.Equal([]int{1, 1, 1, 1, 1}, numbers)
+
+		numbers = RandIntSlice(5, 1, 5)
+		assert.Equal(5, len(numbers))
+	})
+}