45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
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package containers
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import (
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"github.com/anacrolix/dht/v2/int160"
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"github.com/anacrolix/dht/v2/types"
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"github.com/anacrolix/missinggo/v2/iter"
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"github.com/anacrolix/stm/stmutil"
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)
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type addrMaybeId = types.AddrMaybeId
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type AddrMaybeIdsByDistance interface {
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Add(addrMaybeId) AddrMaybeIdsByDistance
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Next() addrMaybeId
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Delete(addrMaybeId) AddrMaybeIdsByDistance
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Len() int
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}
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type stmSettishWrapper struct {
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set stmutil.Settish
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}
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func (me stmSettishWrapper) Next() addrMaybeId {
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first, _ := iter.First(me.set.Iter)
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return first.(addrMaybeId)
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}
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func (me stmSettishWrapper) Delete(x addrMaybeId) AddrMaybeIdsByDistance {
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return stmSettishWrapper{me.set.Delete(x)}
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}
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func (me stmSettishWrapper) Len() int {
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return me.set.Len()
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}
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func (me stmSettishWrapper) Add(x addrMaybeId) AddrMaybeIdsByDistance {
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return stmSettishWrapper{me.set.Add(x)}
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}
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func NewImmutableAddrMaybeIdsByDistance(target int160.T) AddrMaybeIdsByDistance {
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return stmSettishWrapper{stmutil.NewSortedSet(func(l, r interface{}) bool {
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return l.(addrMaybeId).CloserThan(r.(addrMaybeId), target)
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})}
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}
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