索引结构在C＃8.0中引入。它表示可用于索引集合或序列的类型，并且可以从头开始或从头开始。您可以在Index结构提供的以下方法(Equal Method )的帮助下比较两个索引，以检查它们是否相等：
1.等于(指数)
此方法返回一个值，该值表明给定的对象等于另一个对象。如果返回true，则当前结果为布尔值，则当前对象等于另一个对象；如果返回false，则当前对象不等于另一个对象。
句法：
public virtual bool Equals(Index other);例子：
// C# program to illustrate the
// concept of the Equals(index) method
using System;
namespace example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating and initializing an array
string[] greetings = new string[] {"Hello", "Hola", "Namaste",
"Bonjour", "Ohayo", "Ahnyounghaseyo"};
// Get the end index
var res = Index.Start;
// Checking the given index
// is the start index or not
// Using Equals(index) method
if (res.Equals(0) == true) {
Console.WriteLine("The given index is start index"+
" and the element is " + greetings[res]);
}
else {
Console.WriteLine("The given index is not the start index ");
}
}
}
}
输出：
The given index is start index and the element is Hello2.等于(对象)
此方法返回一个值，该值表明给定的索引对象等于另一个索引对象。如果返回true，则当前结果为bool形式，则当前索引对象等于另一个索引对象；如果返回false，则当前索引对象不等于另一个索引对象。
句法：
public override bool Equals(System::Object ^ value);例子：
// C# program to illustrate the concept
// of the Equals(object) method
using System;
namespace example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating and initializing an array
string[] greetings = new string[] {"Hello", "Hola", "Namaste",
"Bonjour", "Ohayo", "Ahnyounghaseyo"};
// Creating index
// Using Index() constructor
var val1 = new Index(1, true);
var val2 = new Index(2, false);
// Checking the given both the
// index values are equal or not
// Using Equals(object)
if (val1.Value.Equals(val2.Value) == true) {
Console.WriteLine("Both the indexes are equal and"+
" their elements are :{0}, {1}", greetings[val1],
greetings[val2]);
}
else {
Console.WriteLine("Both the indexes are not equal and"+
" their elements are: {0}, {1}", greetings[val1],
greetings[val2]);
}
}
}
}
输出：
Both the indexes are not equal and their elements are: Ahnyounghaseyo, Namaste