👔 up(arr,byte): update some tests and add byteutil add new func

arrutil/arrutil_test.go

@@ -123,4 +123,7 @@ func TestUnique(t *testing.T) {
 	assert.Eq(t, []int{2, 3, 4}, arrutil.Unique[int]([]int{2, 3, 2, 4}))
 	assert.Eq(t, []uint{2, 3, 4}, arrutil.Unique([]uint{2, 3, 2, 4}))
 	assert.Eq(t, []string{"ab", "bc", "cd"}, arrutil.Unique([]string{"ab", "bc", "ab", "cd"}))
+
+	assert.Eq(t, 1, arrutil.IndexOf(3, []int{2, 3, 4}))
+	assert.Eq(t, -1, arrutil.IndexOf(5, []int{2, 3, 4}))
 }

byteutil/byteutil.go

@@ -2,6 +2,7 @@ package byteutil
 
 import (
 	"bytes"
+	"unsafe"
 )
 
 // FirstLine from command output
@@ -27,3 +28,13 @@ func SafeString(bs []byte, err error) string {
 	}
 	return string(bs)
 }
+
+// String convert bytes to string
+func String(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// ToString convert bytes to string
+func ToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}

dump/_examples/go.mod

@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/gookit/color v1.5.2
-	github.com/gookit/goutil v0.6.0-00010101000000-000000000000
+	github.com/gookit/goutil v0.6.6-00010101000000-000000000000
 	github.com/kortschak/utter v1.0.1
 	github.com/kr/pretty v0.2.1
 )

sysutil/clipboard/README.md

@@ -0,0 +1,29 @@
+# Clipboard
+
+Package `clipboard` provide a simple clipboard read and write operations.
+
+### Install
+
+```bash
+go get github.com/gookit/goutil/sysutil/clipboard
+```
+
+### Usage
+
+Examples:
+
+```go
+src := "hello, this is clipboard"
+err = clipboard.WriteString(src)
+assert.NoErr(t, err)
+
+// str: "hello, this is clipboard"
+str, err = clipboard.ReadString()
+assert.NoErr(t, err)
+assert.NotEmpty(t, str)
+assert.Eq(t, src, str)
+```
+
+## Related
+
+- https://github.com/zyedidia/clipper