golang-exercises/star-shapes/shapes.go

package main

import (
	"fmt"
	"time"
)

var delayer time.Duration = 50

// Drawing a line of asterisks
func line(num int) {
	for i := 0; i < num; i++ {
		fmt.Printf("* ")
		time.Sleep(delayer * time.Millisecond)
	}
	fmt.Printf("\n")
}

// Drawing a square of asterisks
func square(num int) {
	for i := 0; i < num; i++ {
		for i := 0; i < num; i++ {
			fmt.Printf("* ")
			time.Sleep(delayer * time.Millisecond)
		}
		fmt.Printf("\n")
	}
}

// Drawing a flag of asterisks
func flag(num int) {
	for a := 0; a < num; a++ {
		for i := -1; i < a; i++ {
			fmt.Printf("* ")
			time.Sleep(delayer * time.Millisecond)
		}
		fmt.Printf("\n")
	}
	for i := 0; i < num/2; i++ {
		println("*")
	}
}