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set.go
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set.go
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package containerx
type Empty struct{}
type Set[T comparable] map[T]Empty
func NewSet[T comparable](items ...T) Set[T] {
set := Set[T]{}
set.Insert(items...)
return set
}
func (s Set[T]) Len() int {
return len(s)
}
func (s Set[T]) Insert(items ...T) {
for _, item := range items {
s[item] = Empty{}
}
}
func (s Set[T]) Delete(items ...T) {
for _, item := range items {
delete(s, item)
}
}
func (s Set[T]) Has(item T) bool {
_, contained := s[item]
return contained
}
func (s Set[T]) HasAll(items ...T) bool {
for _, item := range items {
if !s.Has(item) {
return false
}
}
return true
}
func (s Set[T]) HasAny(items ...T) bool {
for _, item := range items {
if s.Has(item) {
return true
}
}
return false
}
func (s Set[T]) Slice() []T {
slice := make([]T, 0, len(s))
for item := range s {
slice = append(slice, item)
}
return slice
}