Added unique set

This commit is contained in:
obscuren 2014-09-15 01:10:50 +02:00
parent 74ef22d824
commit 4db4ec1621
1 changed files with 32 additions and 0 deletions

32
ethutil/set.go Normal file
View File

@ -0,0 +1,32 @@
package ethutil
type Settable interface {
AsSet() UniqueSet
}
type UniqueSet map[interface{}]struct{}
func NewSet(v ...interface{}) UniqueSet {
set := make(UniqueSet)
for _, val := range v {
set.Insert(val)
}
return set
}
func (self UniqueSet) Insert(k interface{}) UniqueSet {
self[k] = struct{}{}
return self
}
func (self UniqueSet) Include(k interface{}) bool {
_, ok := self[k]
return ok
}
func Set(s Settable) UniqueSet {
return s.AsSet()
}