methods and json parse

method.go

@@ -0,0 +1,127 @@
+package main
+
+import "fmt"
+import "strings"
+import "math"
+
+
+type MyName string
+
+func printName(name MyName) {
+	fmt.Println(name)
+}
+
+func camelCase(name MyName) {
+	result := strings.Split(string(name), " ")
+
+	//fmt.Println(result[0][0])
+
+	firstName := strings.ToUpper(string(result[0][0])) + result[0][1:]
+	lastName  := strings.ToUpper(string(result[1][0])) + result[1][1:]
+
+	fmt.Printf("First Name: %s\nLast Name: %s", firstName, lastName)
+}
+
+
+
+
+type Rectangle struct {
+	width float64
+	height float64
+	name string
+}
+
+type Triangle struct {
+	height float64
+	base float64
+	name string
+}
+
+type Circle struct {
+	radius float64
+	circleName string
+}
+
+
+func (c *Circle) Area() float64 {
+	return math.Pow(c.radius, 2) * math.Pi
+}
+
+func (c *Circle) Name() string {
+	return c.circleName
+}
+
+
+func (t *Triangle) Area() float64 {
+	return ( t.height  * t.base ) / 2
+}
+
+func (t *Triangle) Name() string {
+	return t.name
+}
+
+func (r *Rectangle) Name() string {
+    return r.name
+}
+
+func (r *Rectangle) Area() float64 {
+	return r.width * r.height }
+
+func (r *Rectangle) Scale(amount float64) {
+	r.width = r.width * amount
+	r.height = r.height * amount
+}
+
+type Geometric interface {
+	Area() float64
+	Name() string
+}
+
+type myInt int
+
+func (i *myInt) Area() float64 {
+	return 0.5
+}
+
+func (i *myInt) Name() string {
+	return "I am an int"
+}
+
+
+func printArea(g []Geometric) {
+	for _, obj := range(g)  {
+		fmt.Printf("%v ---> Area: %v\n", obj.Name(), obj.Area())
+	}
+}
+
+
+
+func main() {
+
+
+	r := Rectangle{2,5, "rectangle"}
+	t := Triangle{3, 5, "triangle"}
+	c := Circle{2, "circle"}
+	var i myInt = 4
+
+	g := []Geometric{&r, &t, &c, &i}
+
+
+	printArea(g)
+
+
+
+	//fmt.Printf("Rectangle: %v ---> Area: %v\n", r, r.Area())
+	//fmt.Printf("Triangle: %v ---> Area: %v\n", t, t.Area())
+	//fmt.Printf("Circle: %v ---> Area: %v\n", c, c.Area())
+
+	//g = &r
+	//printArea(g)
+
+	//g = &t
+	//printArea(g)
+
+	//g = &c
+	//printArea(g)
+
+}

parsejson.go

@@ -0,0 +1,45 @@
+package main
+
+import "fmt"
+import "io/ioutil"
+import "encoding/json"
+
+
+type Person struct {
+	name string
+	age int
+}
+
+type Data struct {
+	Name string
+	Url string
+	Tags []string `json:"categories"`
+	People []Person
+}
+
+func main() {
+
+
+	f, _ := ioutil.ReadFile("test2.json")
+
+	//var data Data // does not allocate memory (must use make)
+
+	data := Data{}
+
+	_ = json.Unmarshal(f, &data)
+
+	fmt.Printf("%v", data)
+}
+
+
+/// Exercise
+
+// - 1 Load people from json , load embedded objects
+// - 2 convert date_added in bookmarks to same as mozilla bookmarks (create a go function) // MSDN FILETIME
+
+//https://stackoverflow.com/questions/19074423/how-to-parse-the-date-added-field-in-chrome-bookmarks-file
+//https://cs.chromium.org/chromium/src/base/time/time_win.cc?sq=package:chromium&type=cs
+//https://stackoverflow.com/questions/6161776/convert-windows-filetime-to-second-in-unix-linux
+
+
+

test2.json

@@ -0,0 +1,19 @@
+{
+    "name": "this a website",
+    "url": "htjtp://lol.com",
+    "categories": ["tech", "news"],
+    "people": [
+        {
+            "name": "toto",
+            "age": 42
+        },
+        {
+            "name": "hello",
+            "age": 10
+        }
+    ]
+}
+
+
+
+