Official Go implementation of the Ethereum protocol
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go-ethereum/ethutil/set.go

36 lines
525 B

package ethutil
type Settable interface {
AsSet() UniqueSet
}
type Stringable interface {
String() string
}
type UniqueSet map[string]struct{}
func NewSet(v ...Stringable) UniqueSet {
set := make(UniqueSet)
for _, val := range v {
set.Insert(val)
}
return set
}
func (self UniqueSet) Insert(k Stringable) UniqueSet {
self[k.String()] = struct{}{}
return self
}
func (self UniqueSet) Include(k Stringable) bool {
_, ok := self[k.String()]
return ok
}
func Set(s Settable) UniqueSet {
return s.AsSet()
}