firstFirstOrDefaultT Method (IEnumerableT, FuncT, Boolean, Boolean, T)

Get the IEnumerableT's first value to fulfill a condition or a default value.

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

Syntax

public static T FirstOrDefault<T>(
	this IEnumerable<T> this,
	Func<T, bool> cond,
	out bool any,
	T def = null
)

this: Type: System.Collections.GenericIEnumerableT
The IEnumerableT to check.
cond: Type: SystemFuncT, Boolean
The condition to qualify members for being returned.
any: Type: SystemBoolean
Whether an element in this was found or the default value was returned.
def (Optional): Type: T
The value to return if this is empty of qualified members.

Type: T
The first value in this to pass cond or def if none to.

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).