brianjester

package main

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

// Walk walks the tree t sending all values
// from the tree to the channel ch.
func Walk(t *tree.Tree, ch chan int) {

	fmt.Println(t)

brianjester

package main

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

type rot13Reader struct {
	r io.Reader

brianjester

package main

import (
	"fmt"
)

type ErrNegativeSqrt float64

func (e ErrNegativeSqrt) Error() string {
	return fmt.Sprintf("cannot Sqrt negative number: %v",float64(e))

brianjester

package main

import (
	"fmt"
)

func Sqrt(x float64) float64 {
result := 1.0
	for count := 0 ;count < 10;count++ {
		result = result - ((result*result - x)/(2*result))

brianjester

package main

import "fmt"

type IPAddr [4]byte

func (ip IPAddr) String() string {
	return fmt.Sprintf("%v.%v.%v.%v", ip[0],ip[1],ip[2],ip[3])
}

brianjester

package main

import "golang.org/x/tour/pic"

func Pic(dx, dy int) [][]uint8 {

	mypic := make([][]uint8, dy)
	for i := 0; i < dy; i++ {
		mypic[i] = make([]uint8, dx)
		for j := 0; j < dx; j++ {