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|
package internal
import (
"fmt"
"strconv"
"time"
)
func AppendArg(b []byte, v interface{}) []byte {
switch v := v.(type) {
case nil:
return append(b, "<nil>"...)
case string:
return appendUTF8String(b, Bytes(v))
case []byte:
return appendUTF8String(b, v)
case int:
return strconv.AppendInt(b, int64(v), 10)
case int8:
return strconv.AppendInt(b, int64(v), 10)
case int16:
return strconv.AppendInt(b, int64(v), 10)
case int32:
return strconv.AppendInt(b, int64(v), 10)
case int64:
return strconv.AppendInt(b, v, 10)
case uint:
return strconv.AppendUint(b, uint64(v), 10)
case uint8:
return strconv.AppendUint(b, uint64(v), 10)
case uint16:
return strconv.AppendUint(b, uint64(v), 10)
case uint32:
return strconv.AppendUint(b, uint64(v), 10)
case uint64:
return strconv.AppendUint(b, v, 10)
case float32:
return strconv.AppendFloat(b, float64(v), 'f', -1, 64)
case float64:
return strconv.AppendFloat(b, v, 'f', -1, 64)
case bool:
if v {
return append(b, "true"...)
}
return append(b, "false"...)
case time.Time:
return v.AppendFormat(b, time.RFC3339Nano)
default:
return append(b, fmt.Sprint(v)...)
}
}
func appendUTF8String(dst []byte, src []byte) []byte {
dst = append(dst, src...)
return dst
}
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