Added a logging system to show home much time it

took to do a certain part of the program

io/reader/image.go

@@ -4,6 +4,7 @@ import (
 	"image"
 	"image/color"
 	"image/png"
+	"maze-solver/utils"
 	"os"
 
 	"golang.org/x/image/draw"
@@ -16,6 +17,7 @@ type ImageReader struct {
 }
 
 func (r *ImageReader) Read() (*RawMaze, error) {
+	defer utils.Timer("Image reader", 3)()
 	image, err := r.getShrunkImage()
 	if err != nil {
 		return nil, err

io/reader/strings.go

@@ -11,6 +11,7 @@ type StringsReader struct {
 }
 
 func (r *StringsReader) Read() (*RawMaze, error) {
+	defer utils.Timer("Strings Reader", 3)()
 	width, height := len((*r.Lines)[0]), len(*r.Lines)
 	ret := &RawMaze{
 		Width:  width,

io/reader/text.go

@@ -2,6 +2,7 @@ package reader
 
 import (
 	"bufio"
+	"maze-solver/utils"
 	"os"
 )
 
@@ -11,6 +12,7 @@ type TextReader struct {
 }
 
 func (r TextReader) Read() (*RawMaze, error) {
+	defer utils.Timer("Text Reader", 3)()
 	lines, err := getLines(r.Filename)
 	if err != nil {
 		return nil, err

io/writer/image.go

@@ -7,6 +7,7 @@ import (
 	"image/draw"
 	"image/png"
 	"maze-solver/maze"
+	"maze-solver/utils"
 	"os"
 
 	"github.com/mazznoer/colorgrad"
@@ -22,6 +23,7 @@ type ImageWriter struct {
 }
 
 func (w *ImageWriter) Write() error {
+	defer utils.Timer("Image writer", 3)()
 	if w.Filename[len(w.Filename)-4:] != ".png" {
 		return errors.New("Filename of ImageWriter doesn't have .png extension. The only suppported image type is png")
 	}

io/writer/strings.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"maze-solver/maze"
+	"maze-solver/utils"
 )
 
 type StringsWriter struct {
@@ -14,6 +15,7 @@ type StringsWriter struct {
 }
 
 func (w *StringsWriter) Write() error {
+	defer utils.Timer("Strings writer", 3)()
 	w.lines = make([][]byte, w.Maze.Height)
 
 	// Fill the lines with walls

utils/utils.go

@@ -1,8 +1,10 @@
 package utils
 
 import (
+	"fmt"
 	"log"
 	"testing"
+	"time"
 
 	"golang.org/x/exp/constraints"
 )
@@ -27,3 +29,14 @@ func AssertEqual[T comparable](t *testing.T, got T, want T, msg string, args ...
 		t.Fatalf(msg+"\nGot: %v, Want: %v", args...)
 	}
 }
+
+var VERBOSE_LEVEL int
+
+func Timer(msg string, level int) func() {
+	start := time.Now()
+	return func() {
+		if level <= VERBOSE_LEVEL {
+			fmt.Printf("%-19s %12v\n", msg, time.Since(start))
+		}
+	}
+}