IStack.Peek

Syntax

Peek: Variant;

Description

The Peek method extracts value of the element placed to the stack as the last one. After extracting, the element is not removed from a stack.

Example

Sub Main;

Var

Stack1: IStack;

i: Integer;

v: Variant;

Begin

Stack1:=New Stack.Create;

For i:=0 To Math.RandBetweenI(50,100) Do

Stack1.Push("Value "+Math.RandBetweenI(0,100).ToString);

End For;

v:=Stack1.Peek;

End Sub Main;

After executing the example a stack of random elements is created, and the "v" variable contains value of the element that was placed to a stack as the last one.