커피중독자

package main

import "fmt"
import "math/cmplx"

func Cbrt(x complex128) complex128 {
    z := cmplx.Pow(x, 3)
    for z != Newtons(z, x) {
        z = Newtons(z, x)
    }
    return z
}

func Newtons(z, x complex128) complex128 {
	return z - (z * z * z - x) / (3 * z * z)
}

func main() {
    fmt.Println(Cbrt(2))
}

package main

import "code.google.com/p/go-tour/pic"

func Pic(dx, dy int) [][]uint8 {
    var arr = make([][]uint8, dy)

	for x := range arr {
		arr[x] = make([]uint8, dx)
		for y := range arr[x] {
			arr[x][y] = uint8(x^y)
		}
	}
    
    return arr
}

func main() {
    pic.Show(Pic)
}

package main

import (
    "code.google.com/p/go-tour/wc"
    "strings"
)

func WordCount(s string) map[string]int {
    m := make(map[string]int)

    for _, v := range strings.Fields(s) {
        m[v]++
    }
    return m
}

func main() {
    wc.Test(WordCount)
}