April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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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.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.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.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.
158 Rozdział 5.
Pętle for…range
To samo się stanie, jeśli nie użyjesz zmiennej przechowującej wartość elementu:
Pamiętasz, jak w
rozdziale 2
. wywoływaliśmy funkcję z wieloma zwracanymi wartościami
i chcieliśmy pominąć jedną z nich? Ignorowana wartość była tam przypisywana do pustego
identyfikatora (
_
), który powoduje, że Go odrzuca daną wartość i nie zgłasza błędu kompilacji.
To samo można zrobić z wartościami z pętli
for...range
. Jeśli nie potrzebujesz indeksu
każdego elementu tablicy, możesz przypisać go do pustego identyfikatora:
Jeśli nie potrzebujesz zmiennej przeznaczonej na wartość, także możesz przypisać do niej pusty
identyfikator:
Zmienna ...
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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.