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package collections
type OrderedMap[K comparable, V any] struct {
keys []K
values map[K]V
}
func OrderedMapOf[K comparable, V any]() OrderedMap[K, V] {
return OrderedMap[K, V]{
keys: make([]K, 0),
values: make(map[K]V),
}
}
func (orderedMap *OrderedMap[K, V]) Set(key K, value V) {
if _, exists := orderedMap.values[key]; !exists {
orderedMap.keys = append(orderedMap.keys, key)
}
orderedMap.values[key] = value
}
func (orderedMap *OrderedMap[K, V]) Get(key K) (V, bool) {
value, exists := orderedMap.values[key]
return value, exists
}
func (orderedMap *OrderedMap[K, V]) All() []V {
result := make([]V, 0, len(orderedMap.keys))
for _, key := range orderedMap.keys {
result = append(result, orderedMap.values[key])
}
return result
}
func (orderedMap *OrderedMap[K, V]) Len() int {
return len(orderedMap.keys)
}
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