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v2fly/common/serial/string.go

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package serial
import (
"fmt"
"strings"
)
func ToString(v interface{}) string {
if v == nil {
return " "
}
switch value := v.(type) {
case string:
return value
case *string:
return *value
case fmt.Stringer:
return value.String()
case error:
return value.Error()
case []byte:
return BytesToHexString(value)
default:
return fmt.Sprintf("%+v", value)
}
}
func Concat(v ...interface{}) string {
values := make([]string, len(v))
for i, value := range v {
values[i] = ToString(value)
}
return strings.Join(values, "")
}
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func WriteString(s string) func([]byte) (int, error) {
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return func(b []byte) (int, error) {
return copy(b, []byte(s)), nil
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}
}