main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
"strings"
s "github.com/inancgumus/prettyslice"
)
// ---------------------------------------------------------
// EXERCISE: Add a newline after each sentence
//
// You have a slice that contains Beatles' awesome song:
// Yesterday. You want to add newlines after each sentence.
//
// So, create a new slice and copy every words into it. Lastly,
// after each sentence, add a newline character ('\n').
//
//
// ORIGINAL SLICE:
//
// [yesterday all my troubles seemed so far away now it looks as though they are here to stay oh I believe in yesterday]
//
// EXPECTED SLICE (NEW):
//
// [yesterday all my troubles seemed so far \n away now it looks as though they are here to stay \n oh I believe in yesterday \n]
//
//
// CURRENT OUTPUT
//
// yesterday all my troubles seemed so far away now it looks as though they are here to stay oh I believe in yesterday
//
// EXPECTED OUTPUT
//
// yesterday all my troubles seemed so far away
// now it looks as though they are here to stay
// oh I believe in yesterday
//
//
// RESTRICTIONS
//
// + Don't use `append()`, use `copy()` instead.
//
// + Don't cheat like this:
//
// fmt.Println(lyric[:8])
// fmt.Println(lyric[8:18])
// fmt.Println(lyric[18:23])
//
// + Create a new slice that contains the sentences
// with line endings.
//
//
// NOTE
//
// If the program does not work, please update your
// local copy of the prettyslice package:
//
// go get -u github.com/inancgumus/prettyslice
//
//
// ---------------------------------------------------------
func main() {
// You need to add a newline after each sentence in another slice.
// Don't touch the following code.
lyric := strings.Fields(`yesterday all my troubles seemed so far away now it looks as though they are here to stay oh I believe in yesterday`)
// ===================================
//
// ~~~ CHANGE THIS CODE ~~~
//
fix := lyric
//
// ===================================
// Currently, it prints every sentence on the same line.
// Don't touch the following code.
s.Show("fix slice", fix)
for _, w := range fix {
fmt.Print(w)
if w != "\n" {
fmt.Print(" ")
}
}
}
func init() {
//
// YOU DON'T NEED TO TOUCH THIS
//
// This initializes some options for the prettyslice package.
// You can change the options if you want.
//
// This code runs before the main function above.
//
// s.Colors(false) // if your editor is light background color then enable this
//
s.PrintBacking = true // prints the backing arrays
s.MaxPerLine = 5 // prints max 15 elements per line
s.SpaceCharacter = '⏎' // print this instead of printing a newline (for debugging)
}
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