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v2fly/common/serial/string.go
Darien Raymond 76d2e5517b
comments
2017-02-13 22:39:55 +01:00

43 lines
735 B
Go

package serial
import (
"fmt"
"strings"
)
// ToString serialize an abitrary value into string.
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, "")
}
func WriteString(s string) func([]byte) (int, error) {
return func(b []byte) (int, error) {
return copy(b, []byte(s)), nil
}
}