Finished chap 10 and 11

playground/calendar.go

@@ -0,0 +1,24 @@
+// from chapter 10
+package main
+
+import (
+	"fmt"
+	"git.linuxhg.com/Go_Training/calendar"
+)
+
+func companyCalendar() {
+	event := calendar.Event{}
+	err := event.SetTitle("Mom's Birthday")
+	Error(err)
+	err = event.SetYear(2019)
+	Error(err)
+	err = event.SetMonth(5)
+	Error(err)
+	err = event.SetDay(27)
+	Error(err)
+
+	fmt.Println(event.Title())
+	fmt.Println(event.Year())
+	fmt.Println(event.Month())
+	fmt.Println(event.Day())
+}

playground/fuel.go

@@ -5,12 +5,62 @@ package main
 import "fmt"
 
 type Liters float64
+
+func (l Liters) String() string {
+	return fmt.Sprintf("%0.2f L", l)
+}
+
 type Gallons float64
 
-func fuel() {
-	var carFuel Gallons
-	var busFuel Liters
-	carFuel = Gallons(10.0)
-	busFuel = Liters(240.0)
-	fmt.Println(carFuel, busFuel)
+func (g Gallons) String() string {
+	return fmt.Sprintf("%0.2f gal", g)
+}
+
+type Milliliters float64
+
+func (m Milliliters) String() string {
+	return fmt.Sprintf("%0.2f mL", m)
+}
+
+func (l Liters) ToGallons() Gallons {
+	return Gallons(l * 0.264)
+}
+
+func (m Milliliters) ToGallons() Gallons {
+	return Gallons(m * 0.000264)
+}
+
+func (g Gallons) ToLiters() Liters {
+	return Liters(g * 3.785)
+}
+
+func (g Gallons) ToMilliliters() Milliliters {
+	return Milliliters(g * 3785.41)
+}
+
+func fuel() {
+	// long version
+	//var carFuel Gallons
+	//var busFuel Liters
+	//carFuel = Gallons(10.0)
+	//busFuel = Liters(240.0)
+	// short version
+	soda := Liters(2)
+	fmt.Printf("%0.0f liters equals %0.3f gallons\n", soda, soda.ToGallons())
+	water := Milliliters(500)
+	fmt.Printf("%0.0f milliliters equals %0.3f gallons \n", water, water.ToGallons())
+	//carFuel := Gallons(10.0)
+	//busFuel := Liters(240.0)
+	//
+	////if you want to convert between types, save variable with correct calculation
+	//carFuel += ToGallons(Liters(40.0))
+	//busFuel += ToLiters(Gallons(30.0))
+	//fmt.Printf("Car Fuel: %0.1f gallons\n", carFuel)
+	//fmt.Printf("Bus Fuel: %0.1f liters\n", busFuel)
+	milk := Gallons(2)
+	fmt.Printf("%0.0f gallons equals %0.3f liters\n", milk, milk.ToLiters())
+	fmt.Printf("%0.0f gallons equals %0.3f milliliters\n", milk, milk.ToMilliliters())
+	fmt.Println(Gallons(12.09285934))
+	fmt.Println(Liters(12.09285934))
+	fmt.Println(Milliliters(12.09285934))
 }

playground/go.mod

@@ -13,6 +13,7 @@ require (
 )
 
 require (
+	git.linuxhg.com/Go_Training/calendar v0.0.0-20240131153240-372e0ebc267d // indirect
 	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 // indirect

playground/go.sum

@@ -1,3 +1,11 @@
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131021259-9a867797a789 h1:NjOZBosOrGRV87iw30jOyH8UNKv7bVNxtix+BguskVA=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131021259-9a867797a789/go.mod h1:E6GYPXO26PAOFhtrQ3d9K+yG0j6e4nFORZT5zlD7HOc=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131145407-3e70d7233820 h1:/n9lYFbddduk4UoGW0Jh12synMzF02ciC3gCkrqph5g=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131145407-3e70d7233820/go.mod h1:E6GYPXO26PAOFhtrQ3d9K+yG0j6e4nFORZT5zlD7HOc=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131150458-66340adc88a8 h1:UTF7JbrCemR61hRKderfV3Au3/0CFDIIefp70YalEww=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131150458-66340adc88a8/go.mod h1:E6GYPXO26PAOFhtrQ3d9K+yG0j6e4nFORZT5zlD7HOc=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131153240-372e0ebc267d h1:wKAe1v8k2qmtJUo/FgE2xqdLRNN31u01bT9/FQGr0MI=
+git.linuxhg.com/Go_Training/calendar v0.0.0-20240131153240-372e0ebc267d/go.mod h1:E6GYPXO26PAOFhtrQ3d9K+yG0j6e4nFORZT5zlD7HOc=
 git.linuxhg.com/Go_Training/datafile v0.0.0-20240111160218-6989e96515a9 h1:jjPk3X9lZ6bZhsjBvEJUGyqfNalUDG0Lt5UvaPrKFtM=
 git.linuxhg.com/Go_Training/datafile v0.0.0-20240111160218-6989e96515a9/go.mod h1:iRnsnz7UZZtIhCX3KTblxBxtEuvPZ8MMi5GDWGIt+dw=
 git.linuxhg.com/Go_Training/keyboard v0.0.0-20240111160241-d208f095efce h1:S9raWDpQtH3at5D4Bm0bfnvPd3ATGGMuZ8eQMrLddFM=

playground/playground.go

@@ -110,6 +110,12 @@ func main() {
 				fuel()
 			},
 		},
+		{
+			name: "Calendar",
+			launchFunction: func() {
+				companyCalendar()
+			},
+		},
 	}
 	menu := wmenu.NewMenu("Choose a program.")
 	menu.Action(func(opts []wmenu.Opt) error {