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homebox/backend/pkgs/set/set.go
Hayden 343290a55a
refactor: repositories ()
* cleanup unnecessary mocks

* refactor document storage location

* remove unused function

* move ownership to document types to repo package

* move types and mappers to repo package

* refactor sets to own package
2022-09-27 15:52:13 -08:00

56 lines
756 B
Go

package set
type key interface {
comparable
}
type Set[T key] struct {
mp map[T]struct{}
}
func New[T key](v ...T) Set[T] {
mp := make(map[T]struct{}, len(v))
s := Set[T]{mp}
s.Insert(v...)
return s
}
func (s Set[T]) Insert(v ...T) {
for _, e := range v {
s.mp[e] = struct{}{}
}
}
func (s Set[T]) Remove(v ...T) {
for _, e := range v {
delete(s.mp, e)
}
}
func (s Set[T]) Contains(v T) bool {
_, ok := s.mp[v]
return ok
}
func (s Set[T]) ContainsAll(v ...T) bool {
for _, e := range v {
if !s.Contains(e) {
return false
}
}
return true
}
func (s Set[T]) Slice() []T {
slice := make([]T, 0, len(s.mp))
for k := range s.mp {
slice = append(slice, k)
}
return slice
}
func (s Set[T]) Len() int {
return len(s.mp)
}