April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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Definiowanie typu implementującego interfejs (ciąg dalszy)
Oto krótki program, w którym można wypróbować pakiet
mypkg
.
Zadeklarowana zmienna typu interfejsowego pozwala przechowywać dowolną wartość,
której typ implementuje dany interfejs. W tym kodzie zadeklarowana jest zmienna
value
typu
MyInterface
, a dalej tworzona jest wartość typu
MyType
przypisywana do tej zmiennej.
Jest to dozwolone, ponieważ typ
MyType
implementuje interfejs
MyInterface
. Następnie
dla zmiennej wywoływane są wszystkie metody, które należą do używanego interfejsu.
Typy konkretne i typy interfejsowe
Wszystkie typy definiowane w poprzednich ...
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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.