public/go/tests/prog/ispowerof2_prog/main.go

package main

import (
	"fmt"
	"os"
	"strconv"
)

// computes the logical bitwise AND of its operands.
func isPowerOf2(n int) bool {
	return n != 0 && ((n & (n - 1)) == 0)
}

func main() {
	if len(os.Args) == 2 {
		nbr, _ := strconv.Atoi(os.Args[1])
		fmt.Println(isPowerOf2(nbr))
	}
}
Externalize tests 5 years ago			`package main`

			`import (`
			`"fmt"`
			`"os"`
			`"strconv"`
			`)`

Refactor & Beautify & destruction commit return early, remove else branches, reorder conditions and top-level functions, remove empty lines, remove unnecessary append(), fix typos, stop using testing package, remove dead code, fix mistakes in subjects, tests and solutions, remove disclaimers, reformat comments, simplify solutions, tests, add more instructions to subjects, remove obsolete files, etc. Some of the reasons behind those modifications will be added to good-practices.en.md Some of the exercises are now broken, they will have to be fixed, most of them have a "TODO:" comment. 5 years ago			`// computes the logical bitwise AND of its operands.`
Externalize tests 5 years ago			`func isPowerOf2(n int) bool {`
			`return n != 0 && ((n & (n - 1)) == 0)`
			`}`
Refactor & Beautify & destruction commit return early, remove else branches, reorder conditions and top-level functions, remove empty lines, remove unnecessary append(), fix typos, stop using testing package, remove dead code, fix mistakes in subjects, tests and solutions, remove disclaimers, reformat comments, simplify solutions, tests, add more instructions to subjects, remove obsolete files, etc. Some of the reasons behind those modifications will be added to good-practices.en.md Some of the exercises are now broken, they will have to be fixed, most of them have a "TODO:" comment. 5 years ago
			`func main() {`
			`if len(os.Args) == 2 {`
			`nbr, _ := strconv.Atoi(os.Args[1])`
			`fmt.Println(isPowerOf2(nbr))`
			`}`
			`}`