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POWhat is "A Tour of Go" trying to say?
 

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  1. POWhat is "A Tour of Go" trying to say?
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    <p>There are a few points in the tutorial that sort of leave you on your own without a clue or link if you're not in the know I guess. So I'm sorry about the length of these:</p> <p><a href="http://tour.golang.org/#15" rel="nofollow noreferrer">http://tour.golang.org/#15</a></p> <pre><code>Try printing needInt(Big) too </code></pre> <p>I'm guessing ints are allowed less bits than constants?</p> <hr> <p><a href="http://tour.golang.org/#21" rel="nofollow noreferrer">http://tour.golang.org/#21</a></p> <pre><code>the { } are required. (Sound familiar?) </code></pre> <p>Which language is alluded to?</p> <hr> <p><a href="http://tour.golang.org/#25" rel="nofollow noreferrer">http://tour.golang.org/#25</a></p> <pre><code>(And a type declaration does what you'd expect.) </code></pre> <p>Why do we need the word <code>type</code> and the word <code>struct</code>? What was I supposed to expect?</p> <hr> <p><a href="http://tour.golang.org/#28" rel="nofollow noreferrer">http://tour.golang.org/#28</a></p> <p>Why implicit zeroes in the constructor? This sounds like a dangerous design choice by Go. Is there a PEP or anything beyond <a href="http://golang.org/doc/go_faq.html" rel="nofollow noreferrer">http://golang.org/doc/go_faq.html</a> on this?</p> <hr> <p><a href="http://tour.golang.org/#30" rel="nofollow noreferrer">http://tour.golang.org/#30</a></p> <p><code>Make</code>? Are there constructors? What's the difference between <code>new</code> and <code>make</code>?</p> <hr> <p><a href="http://tour.golang.org/#33" rel="nofollow noreferrer">http://tour.golang.org/#33</a></p> <p>Where did <code>delete</code> come from? I didn't import it.</p> <hr> <p><a href="http://tour.golang.org/#36" rel="nofollow noreferrer">http://tour.golang.org/#36</a></p> <p>What's the <code>%v</code> formatter stand for? Value?</p> <hr> <p><a href="http://tour.golang.org/#47" rel="nofollow noreferrer">http://tour.golang.org/#47</a></p> <pre><code>panic: runtime error: index out of range goroutine 1 [running]: tour/pic.Show(0x400c00, 0x40ca61) go/src/pkg/tour/pic/pic.go:24 +0xd4 main.main() /tmpfs/gosandbox-15c0e483_5433f2dc_ff6f028f_248fd0a7_d7c2d35b/prog.go:14 +0x25 </code></pre> <p>I guess I broke go somehow....</p> <pre><code>package main import "tour/pic" func Pic(dx, dy int) [][]uint8 { image := make([][]uint8, 10) for i := range image { image[i] = make([]uint8, 10) } return image } func main() { pic.Show(Pic) } </code></pre> <hr> <p><a href="http://tour.golang.org/#59" rel="nofollow noreferrer">http://tour.golang.org/#59</a></p> <p>I return error values when a function fails? I have to qualify every single function call with an error check? The flow of the program is uninterrupted when I write crazy code? E.g. <code>Copy(only_backup, elsewhere);Delete(only_backup)</code> and Copy fails....</p> <p>Why would they design it like that?</p> <hr>
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    1. USubershmekel
    1. USubershmekel
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      1. POWhat is "A Tour of Go" trying to say?
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    1. COThis really doesn't work well as a single question here.
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      1. POWhat is "A Tour of Go" trying to say?
      1. USunwind
    2. COYou're probably right. Perhaps I should contact golang.org with this list?
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      1. POWhat is "A Tour of Go" trying to say?
      1. USubershmekel
    3. CO@unwind Do you think this would be OK as full "community wiki" (no rep ).
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      1. POWhat is "A Tour of Go" trying to say?
      1. USDenys Séguret
 

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