April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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Używanie wskaźników w funkcjach
Możliwe jest zwracanie wskaźników w funkcjach. Wystarczy zadeklarować,
że typ wartości zwracanej przez funkcję to typ wskaźnikowy.
Warto wspomnieć, że w Go (inaczej niż w niektórych innych językach) dozwolone jest
zwracanie wskaźników do zmiennej lokalnej funkcji. Choć taka zmienna nie znajduje
się już w zasięgu, to dopóki używany jest wskaźnik do niej, Go gwarantuje, że możliwy
jest dostęp do wartości tej zmiennej.
Wskaźniki można też przekazywać jako argumenty funkcji. Wystarczy zadeklarować,
że typ jednego lub kilku parametrów ma być typem wskaźnikowym.
Jeśli funkcja zgodnie z deklaracją ...
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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.