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<<= Operator

The left-shift assignment operator.

lhs <<= expr

Where:

lhs
A storage location, property, or indexer.
expr
An expression.

Remarks

An expression of the form

x <<= y

is evaluated as

x = x << y

except that x is only evaluated once. The << operator shifts x left by an amount specified by y.

The <<= operator cannot be overloaded directly, but user-defined types can overload the << operator (see operator).

Example

// cs_operator_left_shift_assignment.cs
using System;
class Test 
{
   public static void Main() 
   {
      int a = 1000;
      a <<= 4;
      Console.WriteLine(a);
   }
}

Output

16000

See Also

C# Operators | 7.13 Assignment operators

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