toListMultimap<K, V> method
Converts this Iterable to a ListMultimap.
Implementation
ListMultimap<K, V> toListMultimap<K, V>(
{K Function(E element)? key,
V Function(E element)? value,
Map<K, List<V>>? map,
Factory<List<V>>? factory}) {
final keyProvider = key ?? (element) => element as K;
final valueProvider = value ?? (element) => element as V;
return ListMultimap<K, V>.fromIterables(
this.map(keyProvider), this.map(valueProvider),
map: map, factory: factory);
}