rogerwelin

package main

import "fmt"

type Node struct {
	Value int
	Next  *Node
}

var root = new(Node)

rogerwelin

package main

import (
	"fmt"
	"io"
	"os"
	"path/filepath"
	"strconv"
)

rogerwelin

import math

def vector_add(v, w):
    return [v_i + w_i for v_i, w_i in zip(v, w)]

def vector_subtract(v, w):
    return [v_i + w_i for v_i, w_i in zip(v, w)]

def vector_sum(vectors):
    result = vectors[0]

rogerwelin

def shape(A):
    num_row = len(A)
    num_cols = len(A[0]) if A else 0 # number of elements in first row
    return num_row, num_cols

def get_row(A, i):
    return A[i]

def get_column(A, j):
    return [A_i[j] for A_i in A]

rogerwelin

package main

import (
	"fmt"
	"time"
)

func printer(msg string) {
	fmt.Println(msg)
}

rogerwelin

package main

import (
	"fmt"
	"sync"
)

// 4
func printer(msg string, wg *sync.WaitGroup) {
	defer wg.Done()

rogerwelin

package main

import (
	"fmt"
)

func printer(msg string, ch chan<- string) {
	ch <- msg
}

rogerwelin

package main

import (
	"fmt"
	"sync"
)

func main() {
	greeks := []string{"plato", "socrates", "aristotle", "archimedes", "pythagoras", "democritus"}
	var wg sync.WaitGroup

rogerwelin

	for _, ph := range greeks {
		wg.Add(1)
		go func(greek string) {
			defer wg.Done()
			fmt.Println(greek)
		}(ph)
	}

rogerwelin

package main

import (
	"fmt"
	"net/http"
	"sync"
)

func main() {