Range Structure in C# 8.0
Last Updated :
09 Jul, 2021
C# 8.0 introduced a new predefined structure that is known as Range struct. This struct is used to represent a range that has a start and end indexes. It provides a new style to create a range using .. operator. This operator is used to create a range that has a starting and ending index. Also with the help of the Range struct you are allowed to create a variable of the range type.
C#
using System;
namespace range_example {
class GFG {
static void Main( string [] args)
{
int [] marks = new int [] {23, 45, 67, 88, 99,
56, 27, 67, 89, 90, 39};
Range r1 = 1..5;
Range r2 = 6..8;
var a1 = marks[r1];
Console.Write( "Marks List 1: " );
foreach ( var st_1 in a1)
Console.Write($ " {st_1} " );
var a2 = marks[r2];
Console.Write( "\nMarks List 2: " );
foreach ( var st_2 in a2)
Console.Write($ " {st_2} " );
var a3 = marks[2..4];
Console.Write( "\nMarks List 3: " );
foreach ( var st_3 in a3)
Console.Write($ " {st_3} " );
var a4 = marks[4..7];
Console.Write( "\nMarks List 4: " );
foreach ( var st_4 in a4)
Console.Write($ " {st_4} " );
}
}
}
|
Output:
Marks List 1: 45 67 88 99
Marks List 2: 27 67
Marks List 3: 67 88
Marks List 4: 99 56 27
Constructor
Constructor |
Description |
Range(Index, Index) |
This constructor is used to create a new Range instance with the specified starting and ending indexes. |
Properties
Property |
Description |
All |
This property is used to get a Range object that starts from the first element to the end. |
End |
This property is used to get an Index that represents the exclusive end index of the range. |
Start |
This property is used to get the inclusive start index of the Range. |
Methods
Method |
Description |
EndAt(Index) |
This method is used to create a Range object starting from the first element in the collection to a specified end index. |
Equals() |
This method is used to check whether the current range is equal to a specified range. |
GetHashCode() |
This method is used to find the hash code for this instance. |
GetOffsetAndLength(Int32) |
This method is used to calculate the start offset and length of the given range object with the help of a collection length. |
StartAt(Index) |
This method is used to create a new Range instance starting from a specified start index to the end of the collection. |
ToString() |
This method returns the string representation of the current Range object. |
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