Bitwise Operators

  • What Are Bitwise Operators? Bitwise operators deal with the binary representation of the operands.

Types

The table below summarizes the types of bitwise operators in Rust.

operatoroperationexplanation
operand1 & operand2AND
bitwise AND operand1 and operand2
operand1 | operand2ORbitwise OR operand1 and operand2
operand1 ^ operand2XORbitwise XOR operand1 and operand2
! operand1NOTInverse the bit of operand
« operandLeft shiftmoves all the operand1 to the left by the number of places specified in the operand 2
new bits filled with zeros . shifting a value left by one position is equivalent to multiplying it by 2 ,
Shifting to positions is equivalent to multiplying it by 4 and so on
» operandRight Shiftmoves all the operand1 to the right by the number of places specified in the operand 2
new bits filled with zeros . shifting a value right by one position is equivalent to multiplying it by 2 ,
Shifting to positions is equivalent to multiplying it by 4 and so on

📝 Note: Right shift » is same as arithmetic right shift on signed integer types, logical right shift on unsigned integer types.

Example

The example below shows the bitwise AND, OR, XOR, Left Shift, and Right Shift operations.

The following example shows the use of bitwise operators in a program:

  fn main() {
  let a = 5;
  let b = 6;
  println!("Operand 1: {}, Operand 2: {}", a , b);
  println!("AND: {}", a & b);
  println!("OR: {}", a | b);
  println!("XOR: {}", a ^ b);
  println!("NOT a: {}", !a);
  println!("Left shift: {}", a << 2);
  println!("Right shift: {}", a >> 1);


}

output :-

  
Operand 1: 5, Operand 2: 6
AND: 4
OR: 7
XOR: 3
NOT a: -6
Left shift: 20
Right shift: 2

Quiz

What is the output of the following code?

  fn main() {
  let mut a = 1;
  let mut b = 2;
  a = a & b;
  a = a << 1;
  b = b >> 3;
  println!("a: {}", a);
  println!("b: {}", b); 
}

A) a: 0
b: 2

B) a: 0
b: 0

C) a: 2
b: 0

D) a: 2
b: 2

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Last updated 25 Jan 2024, 05:11 +0530 . history