May 2022
Intermediate to advanced
456 pages
11h 7m
German
Content preview from RustBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
5Musterabgleich
Eine sehr leistungsfähige Möglichkeit, unseren Kontrollfluss zu beeinflussen, ist der Musterabgleich (pattern matching). Um diesen im Detail zu betrachten, haben wir jetzt die notwendigen Vorkenntnisse. Musterabgleiche können wir aufgrund ihrer Flexibilität sehr vielseitig nutzen.
5.1Das Match-Konstrukt
Das Match-Konstrukt vereint viele Funktionalitäten anderer Kontrollkonstrukte aus klassischen Programmiersprachen mit deutlich mehr Flexibilität.
5.1.1Einfache Verwendung
Die erste Variante ist sehr ähnlich zum Switch-Case-Konstrukt. Das Schlüsselwort match wird gefolgt von einem Ausdruck oder einer Variablen, deren Inhalt über die Ausführung einzelner Zweige entscheidet.
Innerhalb eines folgenden Anweisungsblocks folgen die Muster, ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.