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lookup.go
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lookup.go
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package mods
type (
lookupID string
mod interface {
ID() ModID
Kinds() Kinds
Mod() *Mod
}
ModLookup[T mod] interface {
All() []T
Clear()
Get(m T) (found T, ok bool)
GetByID(modID ModID) (found T, ok bool)
Has(m T) bool
Len() int
Remove(m T)
RemoveConditionally(f func(t T) bool)
Set(m T)
}
// ModLookupConc is a public for serialization purposes.
ModLookupConc[T mod] struct {
Lookup map[lookupID]T `json:"Lookup"`
}
)
func NewModLookup[T mod]() ModLookup[T] {
return &ModLookupConc[T]{
Lookup: make(map[lookupID]T),
}
}
func (l *ModLookupConc[T]) All() []T {
s := make([]T, 0, len(l.Lookup))
for _, m := range l.Lookup {
s = append(s, m)
}
return s
}
func (l *ModLookupConc[T]) Clear() {
l.Lookup = make(map[lookupID]T)
}
func (l *ModLookupConc[T]) Set(m T) {
l.Lookup[l.newLookupID(m)] = m
}
func (l *ModLookupConc[T]) Has(m T) bool {
_, ok := l.Lookup[l.newLookupID(m)]
return ok
}
func (l *ModLookupConc[T]) Get(m T) (found T, ok bool) {
found, ok = l.Lookup[l.newLookupID(m)]
return
}
func (l *ModLookupConc[T]) GetByID(modID ModID) (found T, ok bool) {
for _, m := range l.Lookup {
if m.ID() == modID {
found = m
ok = true
break
}
}
return
}
func (l *ModLookupConc[T]) Remove(m T) {
delete(l.Lookup, l.newLookupID(m))
}
func (l *ModLookupConc[T]) RemoveConditionally(f func(m T) bool) {
var toRemove []lookupID
for k, m := range l.Lookup {
if f(m) {
toRemove = append(toRemove, k)
}
}
for _, k := range toRemove {
delete(l.Lookup, k)
}
}
func (l *ModLookupConc[T]) Len() int {
return len(l.Lookup)
}
func (l *ModLookupConc[T]) newLookupID(m T) lookupID {
return lookupID(m.ID())
}