42 lines
955 B
Go
42 lines
955 B
Go
|
// For more tutorials: https://blog.learngoprogramming.com
|
||
|
|
//
|
||
|
|
// Copyright © 2018 Inanc Gumus
|
||
|
|
// Learn Go Programming Course
|
||
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
||
|
|
//
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
width, height := 5., 12.
|
||
|
|
|
||
|
|
// calculates the area of a rectangle
|
||
|
|
area := width * height
|
||
|
|
fmt.Printf("%gx%g=%g\n", width, height, area)
|
||
|
|
|
||
|
|
area = area - 10 // decreases area by 10
|
||
|
|
area = area + 10 // increases area by 10
|
||
|
|
area = area * 2 // doubles the area
|
||
|
|
area = area / 2 // divides the area by 2
|
||
|
|
fmt.Printf("area=%g\n", area)
|
||
|
|
|
||
|
|
// // ASSIGNMENT OPERATIONS
|
||
|
|
area -= 10 // decreases area by 10
|
||
|
|
area += 10 // increases area by 10
|
||
|
|
area *= 2 // doubles the area
|
||
|
|
area /= 2 // divides the area by 2
|
||
|
|
fmt.Printf("area=%g\n", area)
|
||
|
|
|
||
|
|
// finds the remainder of area variable
|
||
|
|
// since: area is float, this won't work:
|
||
|
|
// area %= 7
|
||
|
|
|
||
|
|
// this works
|
||
|
|
area = float64(int(area) % 7)
|
||
|
|
fmt.Printf("area=%g\n", area)
|
||
|
|
}
|