fix: reformatted backing array and slice header exercises

16-slices/exercises/18-internals-slice-header/main.go

@@ -25,17 +25,17 @@ import (
 //  the same on your own system as well (if you're on 64-bit machine).
 //
 //
-//  <<< initial memory usage >>>
+//  [initial memory usage]
 //          > Memory Usage: 104 KB
-//  <<< after declaring an array >>>
+//  [after declaring an array]
 //          > Memory Usage: 78235 KB
-//  <<< after copying the array >>>
+//  [after copying the array]
 //          > Memory Usage: 156365 KB
-//  <<< inside passArray >>>
+//  [inside passArray]
 //          > Memory Usage: 234495 KB
-//  <<< after slicings >>>
+//  [after slicings]
 //          > Memory Usage: 234497 KB
-//  <<< inside passSlice >>>
+//  [inside passSlice]
 //          > Memory Usage: 234497 KB
 //
 //  Array's size : 80000000 bytes.
@@ -47,16 +47,19 @@ import (
 //
 // HINTS
 //
-//  I've declared a few function to help you.
+//  I've declared a few functions to help you.
 //
-//    report function prints the memory usage.
-//    Just call it with a message that matches to the expected output.
+//    report function:
+//    - Prints the memory usage.
+//    - Just call it with a message that matches to the expected output.
 //
-//    passArray function accepts a [size]int array, so you can pass it
-//    your array. It automatically prints the memory usage.
+//    passArray function:
+//    - Accepts a [size]int array, so you can pass it your array.
+//    - It automatically prints the memory usage.
 //
-//    passSlice function accepts an int slice, so you can pass it
-//    your one of your slices. It automatically prints the memory usage.
+//    passSlice function:
+//    - Accepts an int slice, so you can pass it one of your slices.
+//    - It automatically prints the memory usage.
 //
 // ---------------------------------------------------------
 
@@ -78,14 +81,14 @@ func main() {
 	// 3. copy the array to a new array (just assign)
 	// 4. print the memory usage
 
-	// 5. pass the array to passArray function
+	// 5. pass the array to the passArray function
 
-	// 6. convert the array to a slice (by slicing)
+	// 6. convert the one of the arrays to a slice (by slicing)
 	// 7. slice only the first 1000 elements of the array
 	// 8. slice only the elements of the array between 1000 and 10000
 	// 9. print the memory usage
 
-	// 10. pass the one of the slices to passSlice function
+	// 10. pass the one of the slices to the passSlice function
 
 	// 11. print the sizes of the arrays and slices
 	//     hint: use the unsafe.Sizeof function
@@ -110,6 +113,6 @@ func passSlice(items []int) {
 func report(msg string) {
 	var m runtime.MemStats
 	runtime.ReadMemStats(&m)
-	fmt.Printf("<<< %s >>>\n", msg)
+	fmt.Printf("[%s]\n", msg)
 	fmt.Printf("\t> Memory Usage: %v KB\n", m.Alloc/1024)
 }