sing-box/experimental/libbox/iterator.go

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2022-10-25 04:55:00 +00:00
package libbox
import "github.com/sagernet/sing/common"
type StringIterator interface {
Next() string
HasNext() bool
}
var _ StringIterator = (*iterator[string])(nil)
type iterator[T any] struct {
values []T
}
func newIterator[T any](values []T) *iterator[T] {
return &iterator[T]{values}
}
func (i *iterator[T]) Next() T {
if len(i.values) == 0 {
return common.DefaultValue[T]()
}
nextValue := i.values[0]
i.values = i.values[1:]
return nextValue
}
func (i *iterator[T]) HasNext() bool {
return len(i.values) > 0
}