int2bin

import "github.com/andvary/int2bin"

int2bin produces binary representations of integers (int, int8/16/32/64, uint, uint8/16/32/64), which may be useful, if you deal with bitwise operations a lot.

Example:

package main

import (
    "fmt"
    "log"

    "github.com/andvary/int2bin"
)

func main() {
    binString, err := int2bin.Bin(-1000)
    if err != nil {
	    log.Fatal(err)
    }

    fmt.Println(binString)
}

Produces:

1111 1111 1111 1111 1111 1111 1111 1111 1111 1111 1111 1111 1111 1100 0001 1000

Why not fmt.Printf("%b", n)?

1. In hardware, negative integers are represented as 2's complements, whereas %b produces a regular representation with negative sign.
2. %b displays strings of bits without spaces making long sequences somewhat hard to read.
3. unlike %b, int2bin displays all bits depending on the type (8 for int8, 16 for int16 etc.), even if there are zeroes on the left of MSB.