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more util types

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This commit is contained in:
蒟蒻
2025-06-18 08:47:58 +08:00
parent 3eb5bcd054
commit a3d57fde34
1 changed files with 5 additions and 1 deletions
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6
net/packet/util.go
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@ -313,7 +313,10 @@ func (o OptID[T, P]) WriteTo(w io.Writer) (n int64, err error) {
o.ID++
}
n1, err := (*VarInt)(&o.ID).WriteTo(w)
if err != nil || o.ID > 0 {
if err != nil {
return n1, err
}
if o.Has {
return n1, err
}
n2, err := o.Val.WriteTo(w)
@ -323,6 +326,7 @@ func (o OptID[T, P]) WriteTo(w io.Writer) (n int64, err error) {
func (o *OptID[T, P]) ReadFrom(r io.Reader) (n int64, err error) {
n1, err := (*VarInt)(&o.ID).ReadFrom(r)
if o.ID > 0 {
o.Has = true
o.ID--
return n1, err
}