hookFirstHookFirstT Method (IEnumerableT, IGuardTupleT, FuncT, Boolean)

Hooks an IGuardT to an IEnumerableT's first value that matches a criteria.

Namespace: WhetStone.Looping
Assembly: WhetStone (in WhetStone.dll) Version: 1.0.4.0 (1.0.0.0)

Syntax

public static IEnumerable<T> HookFirst<T>(
	this IEnumerable<T> this,
	IGuard<Tuple<T>> sink,
	Func<T, bool> critiria
)

this: Type: System.Collections.GenericIEnumerableT
The IEnumerableT to hook to.
sink: Type: WhetStone.GuardIGuardTupleT
The IGuardT to update.
critiria: Type: SystemFuncT, Boolean
The criteria that finds the first element

Type: IEnumerableT
An IEnumerableT that sets sink to its first enumerated value that matches critiria.

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).

Remarks

If sink contains , a first value has not yet been set.