April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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Przekształcenia między typami z użyciem funkcji
Aby wykonać operacje z użyciem wartości różnych typów, trzeba najpierw przekształcić
te wartości, aby dopasować ich typy. Wcześniej pokazałem, jak pomnożyć wartość typu
Liters
przez 0,264 w celu konwersji na typ
Gallons
. Ponadto wartości typu
Gallons
należy pomnożyć przez 3,785, aby przekształcić je na typ
Liters
.
// Instrukcje import i deklaracje typów zostały pominięte
func ToGallons(l Liters) Gallons {
return Gallons(l * 0.264)
}
func ToLiters(g Gallons) Liters {
return Liters(g * 3.785)
}
func main() {
carFuel := Gallons(1.2)
busFuel := Liters(4.5)
carFuel += ToGallons(Liters(40.0)) ...
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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.