April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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14 Rozdział 1.
Typy w Go
Typy
W poprzednim przykładowym kodzie używane były funkcja
math.Floor
(zaokrągla liczbę
zmiennoprzecinkową w dół do najbliższej liczby całkowitej) i
strings.Title
(przekształca
pierwsze litery słów na wielkie). Sensowne jest przekazywanie liczby jako argumentu funkcji
Floor
i łańcucha znaków jako argumentu funkcji
Title
. Co się jednak stanie, jeśli przekażesz
łańcuch znaków do funkcji
Floor
i liczbę do funkcji
Title
?
Błędy
cannot use “rusz głową.go” (type string) as type float64 in argument to math.Floor
cannot use 2.75 (type float64) as type string in argument to strings.Title
Go wyświetli dwa komunikaty o błędach (po jednym ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.