MoreEnumerableMaxByTSource, TKey(IEnumerableTSource, FuncTSource, TKey, IComparerTKey) Method

Note: This API is now obsolete.
Returns the maximal elements of the given sequence, based on the given projection and the specified comparer for projected values.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 4.0.0+092a40d82a1b280568ffa006d9a210bdec0792cd
C#
[ObsoleteAttribute("Use Maxima instead.")]
public static IExtremaEnumerable<TSource> MaxBy<TSource, TKey>(
	IEnumerable<TSource> source,
	Func<TSource, TKey> selector,
	IComparer<TKey>? comparer
)

Parameters

source  IEnumerableTSource
Source sequence
selector  FuncTSource, TKey
Selector to use to pick the results to compare
comparer  IComparerTKey
Comparer to use to compare projected values

Type Parameters

TSource
Type of the source sequence
TKey
Type of the projected element

Return Value

IExtremaEnumerableTSource
The sequence of maximal elements, according to the projection.

Remarks

This operator uses deferred execution. The results are evaluated and cached on first use to returned sequence.

Exceptions

ArgumentNullExceptionsource, selector or comparer is null

See Also