/
string.go
95 lines (84 loc) · 1.66 KB
/
string.go
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/**
* @program: lemo
*
* @description:
*
* @author: lemo
*
* @create: 2019-12-10 21:23
**/
package utils
import (
"bytes"
"fmt"
"reflect"
"unsafe"
)
type str int
const String str = iota
func (s str) JoinInterface(v []any, sep string) string {
var buf bytes.Buffer
for i := 0; i < len(v); i++ {
switch v[i].(type) {
case string:
buf.WriteString(v[i].(string))
default:
buf.WriteString(fmt.Sprintf("%v", v[i]))
}
if i != len(v)-1 {
buf.WriteString(sep)
}
}
return buf.String()
}
func (s str) Join(v []string, sep string) string {
var buf bytes.Buffer
for i := 0; i < len(v); i++ {
buf.WriteString(v[i])
if i != len(v)-1 {
buf.WriteString(sep)
}
}
return buf.String()
}
func (s str) ToIntInterface(v []any) []int {
var res []int
for i := 0; i < len(v); i++ {
switch v[i].(type) {
case string:
res = append(res, Conv.Atoi(v[i].(string)))
case int:
res = append(res, v[i].(int))
case float64:
res = append(res, int(v[i].(float64)))
default:
res = append(res, Conv.Atoi(fmt.Sprintf("%v", v[i])))
}
}
return res
}
func (s str) ToInt(v []string) []int {
var res []int
for i := 0; i < len(v); i++ {
res = append(res, Conv.Atoi(v[i]))
}
return res
}
func (s str) ToFloat64(v []string) []float64 {
var res []float64
for i := 0; i < len(v); i++ {
res = append(res, Conv.StringToFloat64(v[i]))
}
return res
}
func (s str) BytesToString(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
func (s str) StringToBytes(str string) (bs []byte) {
sh := (*reflect.StringHeader)(unsafe.Pointer(&str))
bh := (*reflect.SliceHeader)(unsafe.Pointer(&bs))
bh.Data = sh.Data
bh.Len = sh.Len
bh.Cap = sh.Len
return
}