48 lines
601 B
Go
48 lines
601 B
Go
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package main
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import (
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"fmt"
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"log"
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"os"
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"strconv"
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)
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type Shaper interface {
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Shape(int) Square
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}
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type Square struct {
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form string
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quantity int
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}
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func (s Square) Shape(num int) Square {
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for i := 0; i < num; i++ {
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for i := 0; i < num; i++ {
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s.form += "* "
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}
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s.form += "\n"
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}
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s.quantity = num
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return s
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}
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func showShape(s Shaper, num int) {
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fmt.Println(s.Shape(num).form)
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}
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func getNumberStars() int {
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numStr := os.Args[1]
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num, err := strconv.Atoi(numStr)
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if err != nil {
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log.Panicln(err)
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}
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return num
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}
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func main() {
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s := Square{}
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showShape(s, getNumberStars())
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}
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