MoreEnumerablePartitionT(IEnumerableT, FuncT, Boolean) Method

Partitions or splits a sequence in two using a predicate.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c
C#
public static (IEnumerable<T> True, IEnumerable<T> False) Partition<T>(
	this IEnumerable<T> source,
	Func<T, bool> predicate
)

Parameters

source  IEnumerableT
The source sequence.
predicate  FuncT, Boolean
The predicate function.

Type Parameters

T
Type of source elements.

Return Value

ValueTupleIEnumerableT, IEnumerableT
A tuple of elements satisfying the predicate and those that do not, respectively.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableT. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Example

C#
var (evens, odds) =
    Enumerable.Range(0, 10).Partition(x => x % 2 == 0);
The evens variable, when iterated over, will yield 0, 2, 4, 6 and then 8. The odds variable, when iterated over, will yield 1, 3, 5, 7 and then 9.

Exceptions

See Also