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What is type byte in Golang?

Hammad Nasir

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

The byte type in Golang

The byte type in Golang is an alias for the unsigned integer 8 type (uint8). The byte type is only used to semantically distinguish between an unsigned integer 8 and a byte. The range of a byte is 0 to 255 (same as uint8).

Example usage of byte type

The following example demonstrates the use of byte type:

package main
import "fmt"

func main() {
  var a byte = 100
  var b byte = 'B'

  fmt.Println(a)
  fmt.Println(b)
}

In the example above, both variables a and b are of byte type. In the variable a, we store an integer 100, and in variable b, we store a character B. Both these variables result in an integer value being printed onto the standard output. In the case of variable b, the ASCII value of B, which is 66, is printed.

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Hammad Nasir
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Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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