tools/pack/extend.go

package yu_pack

import (
	"bytes"
)

// -----------------------------------------------------------------------------------------------------扩展

func (t *Pack) LenDecrease(i int) {
	if i < 1 {
		return
	}
	if len(t.buf) < i {
		return
	}
	t.buf = t.buf[:len(t.buf)-i]
	return
}

func (t *Pack) Count(sep []byte) int {
	return bytes.Count(t.buf[t.get_i:], sep)
}