How to Convert Numeric Values to Binary Strings in Go?

Converting Numeric Values to Binary Strings in Go

Developers working with numerical data may encounter the need to represent numbers as binary strings. Go offers the strconv (string conversion) package for this purpose, providing the FormatInt function.

Problem:

Convert a numeric value (e.g., 123) to its binary representation (e.g., "1111011").

Solution:

package main

import (
    "fmt"
    "strconv"
)

func main() {
    n := int64(123)

    binary := strconv.FormatInt(n, 2)
    fmt.Println(binary) // 1111011
}

Explanation:

• The strconv.FormatInt function takes two arguments:

  • i: The numeric value to be converted.
  • base: The target base (2 for binary representation).
• The function returns a string representing the number in the specified base. By setting the base to 2, we obtain the binary representation.
• In the example provided, the integer 123 is converted to its binary form, resulting in the string "1111011".

Demo:

You can try out the demo here: http://play.golang.org/p/leGVAELMhv

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