Added methods exercise

tour-of-go/methods/go.mod

@@ -0,0 +1,11 @@
+module methods
+
+go 1.22.1
+
+require github.com/fatih/color v1.16.0
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	golang.org/x/sys v0.14.0 // indirect
+)

tour-of-go/methods/go.sum

@@ -0,0 +1,11 @@
+github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
+github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

tour-of-go/methods/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"github.com/fatih/color"
+)
+
+var x int
+var y int
+
+type Coordinates struct {
+	X, Y int
+}
+
+func getMatrix(mat [][]string, c Coordinates) {
+	col := color.New(color.FgBlack).Add(color.Underline).Add(color.BgHiRed)
+	for i := range mat {
+		for i1 := range mat[i] {
+			if i == c.X && i1 == c.Y {
+				col.Printf("%v", mat[i][i1])
+				fmt.Printf(" ")
+			} else {
+				fmt.Printf("%v ", mat[i][i1])
+			}
+		}
+		fmt.Println()
+	}
+}
+
+func main() {
+	matrix := make([][]string, 5)
+	for i := range matrix {
+		matrix[i] = make([]string, 5)
+	}
+
+	for i := range matrix {
+		for i1 := range matrix[i] {
+			matrix[i][i1] = "A"
+		}
+	}
+	fmt.Printf("X coordinate: ")
+	fmt.Scanln(&x)
+
+	fmt.Printf("Y coordinate: ")
+	fmt.Scanln(&y)
+
+	x--
+	y--
+
+	coords := Coordinates{x, y}
+
+	getMatrix(matrix, coords)
+
+}