获取 C# 中指定范围的哈希码
原文:https://www . geesforgeks . org/get-the-hash-code-of-the-specified-in-c-sharp/
在 C# 8.0 中引入了范围结构。它表示一个有开始和结束索引的范围。您可以借助 range 结构提供的 GetHashCode()方法获取指定范围的哈希代码。此方法返回指定实例的哈希代码。
语法:
public override int GetHashCode();
例 1:
// C# program to illustrate how to find
// the hash code of the given ranges
// Using GetHashCode() method of Range
// struct
using System;
namespace range_example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating range
// using Range constructor
var r1 = new Range(2, 4);
// Creating range
// using Range operator
Range r2 = 1..10;
// Creating a range
// using StartAt() method
var r3 = Range.StartAt(4);
// Get the hash code of the given ranges
Console.WriteLine("Hash Code of Range_1: " +r1.GetHashCode());
Console.WriteLine("Hash Code of Range_2: " + r2.GetHashCode());
Console.WriteLine("Hash Code of Range_3: " + r3.GetHashCode());
}
}
}
输出:
Hash Code of Range_1: -1254614029
Hash Code of Range_2: 853498667
Hash Code of Range_3: -1528050329
例 2:
// C# program to illustrate how to find
// the hash code of the given ranges
// Using GetHashCode() method of Range struct
using System;
namespace range_example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating and initializing an array
int[] arr = new int[8] {100, 200, 300, 400,
500, 600, 700, 800};
// Creating a range
// using StartAt() method
var r = Range.StartAt(3);
var new_arr = arr[r];
// Displaying the range
// and the elements
Console.WriteLine("Range: " + r);
Console.Write("HashCodes: ");
foreach(var i in new_arr)
Console.Write({content}quot; [{i.GetHashCode()}]");
}
}
}
输出:
Range: 3..^0
HashCodes: [400] [500] [600] [700] [800]
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