67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"fmt"
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)
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func main() {
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// #1: declare the types
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type text struct {
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title string
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words int
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}
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type book struct {
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// title string
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// words int
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// #3: include the text as a field
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// text text
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// #4: embed the text
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text
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isbn string
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// #5: add a conflicting field
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title string
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}
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// #2: print a book
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// moby := book{title: "moby dick", words: 206052, isbn: "102030"}
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// fmt.Printf("%s has %d words (isbn: %s)\n", moby.title, moby.words, moby.isbn)
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// #3b: type the text in its own field
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moby := book{
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// #5c: type the field in a new field
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// title: "conflict",
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text: text{title: "moby dick", words: 206052},
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isbn: "102030",
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}
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moby.text.words = 1000
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moby.words++
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// // #4b: print the book
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fmt.Printf("%s has %d words (isbn: %s)\n",
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moby.title, // equals to: moby.text.title
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moby.words, // equals to: moby.text.words
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moby.isbn)
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// #3c: print the book
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// fmt.Printf("%s has %d words (isbn: %s)\n",
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// moby.text.title, moby.text.words, moby.isbn)
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// #5b: print the conflict
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fmt.Printf("%#v\n", moby)
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// go get -u github.com/davecgh/go-spew/spew
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// spew.Dump(moby)
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}
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