Daniel Villarreal danx12

## exercise-web-crawler.go
package main

import (
	"fmt"
	"sync"
)

type Cache struct {
	v map[string]int
	mux sync.Mutex

## exercise-rot-reader.go
package main

import (
	"io"
	"os"
	"strings"
)

type rot13Reader struct {
	r io.Reader

## exercise-equivalent-binary-trees.go
package main

import (
	"fmt"
	"golang.org/x/tour/tree"
)

func RecursiveWalk(t *tree.Tree, ch chan int) {
	if t.Left != nil {
		RecursiveWalk(t.Left, ch)
	package main

	import (
	"fmt"
	"sync"
	)

	type Cache struct {
	v map[string]int
	mux sync.Mutex
	package main

	import (
	"io"
	"os"
	"strings"
	)

	type rot13Reader struct {
	r io.Reader