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MoreEnumerableScanTSource, TState Method (IEnumerableTSource, TState, FuncTState, TSource, TState)

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 2.0.0
Syntax
public static IEnumerable<TState> Scan<TSource, TState>(
	this IEnumerable<TSource> source,
	TState seed,
	Func<TState, TSource, TState> transformation
)

Parameters

source
Type: System.Collections.GenericIEnumerableTSource
Source sequence
seed
Type: TState
Initial state to seed
transformation
Type: SystemFuncTState, TSource, TState
Transformation operation

Type Parameters

TSource
Type of elements in source sequence
TState
Type of state

Return Value

Type: IEnumerableTState
The scanned sequence

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableTSource. 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).
Remarks
This operator uses deferred execution and streams its result.
Examples
var result = Enumerable.Range(1, 5).Scan(0, (a, b) => a + b);
When iterated, result will yield { 0, 1, 3, 6, 10, 15 }.
See Also