public static IEnumerable <T> TopoSort <T, TKey>(
this ICollection <T> source,
[InstantHandle] Func <T, IEnumerable <T> > dependsOnGetter,
[InstantHandle] Func <T?, TKey> keySelector)
where T : notnull
where TKey : notnull =>
TopoSort(source, dependsOnGetter, KeyEqualityComparer.Create(keySelector));
public static IEnumerable <T> TopoSort <T, TKey>(
[InstantHandle] this IEnumerable <T> source,
[InstantHandle] Func <T, IEnumerable <T> > dependsOnGetter,
[InstantHandle] Func <T?, TKey> keySelector)
where T : notnull
where TKey : notnull
{
Code.NotNull(source, nameof(source));
return(TopoSort(source, dependsOnGetter, KeyEqualityComparer.Create(keySelector)));
}
public static IEnumerable <TSource> UnionBy <TSource, TKey>(
[NotNull] this IEnumerable <TSource> first,
[NotNull] IEnumerable <TSource> second,
[NotNull] Func <TSource, TKey> keySelector,
IEqualityComparer <TKey> comparer) =>
first.Union(second, KeyEqualityComparer.Create(keySelector, comparer));
public static IEnumerable <TSource> IntersectBy <TSource, TKey>(
[NotNull] this IEnumerable <TSource> first,
[NotNull] IEnumerable <TSource> second,
[NotNull] Func <TSource, TKey> keySelector) =>
first.Intersect(second, KeyEqualityComparer.Create(keySelector));
public static IEnumerable <TSource> DistinctBy <TSource, TKey>(
[NotNull] this IEnumerable <TSource> source,
[NotNull] Func <TSource, TKey> keySelector,
IEqualityComparer <TKey> comparer) =>
source.Distinct(KeyEqualityComparer.Create(keySelector, comparer));
public static IEnumerable <T> TopoSort <T, TKey>(
[NotNull] this ICollection <T> source,
[NotNull, InstantHandle] Func <T, IEnumerable <T> > dependsOnGetter,
[NotNull, InstantHandle] Func <T, TKey> keySelector,
[NotNull] IEqualityComparer <TKey> keyComparer) =>
TopoSort(source, dependsOnGetter, KeyEqualityComparer.Create(keySelector, keyComparer));