patterns.go

package patterns

import "fmt"

type Pattrens struct{}

// Constructor to initiate the struct
func New() *Pattrens {
	return &Pattrens{}
}

// Draw a rectangular pattren has equal rows and cols
// Please visit the link to find it more
// https://takeuforward.org/pattern/pattern-1-rectangular-star-pattern/
func (p Pattrens) RectangularPattren() {

	// Initialize the variable
	var num int
	fmt.Print("Give me the number: ")
	fmt.Scan(&num)

	// loop through the rows of the rectangular
	for i := 0; i < num; i++ {
		// loop through the cols of the rectabgle
		for j := 0; j < num; j++ {
			fmt.Print("*")
		}
		// first row is complete so we need line break here
		fmt.Print("\n")
	}

}

// Draw a Right Angled Triangle Pattren
// Please visit the link to find it more
// https://takeuforward.org/pattern/pattern-2-right-angled-triangle-pattern/
func (p Pattrens) RightAngledTrianglePattren() {

	// Initialize the variable
	var num int
	fmt.Print("Give me the number: ")
	fmt.Scan(&num)

	// loop through the rows of the rectangle
	for i := 0; i < num; i++ {
		// inner loop shoud equal to the value of the outer loop so if outer loop is 1 inner loop
		// display runs and display that much stars
		for j := 0; j <= i; j++ {
			fmt.Print("*")
		}
		// first row is complete so we need line break here
		fmt.Print("\n")
	}

}