November 2024
Intermediate to advanced
310 pages
6h 57m
French
Content preview from Livre de cuisine Flutter et Dart
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Chapitre 2. Exploration du flux de contrôle
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Le flux de contrôle concerne la façon dont les instructions seront exécutées dans une application. Il existe des flux logiques typiques, tels que les flux conditionnels et en boucle utilisés pour déterminer l'ordre de traitement des instructions. Dart fournit un certain nombre de méthodes pour gérer la façon dont l'application fonctionne et se coordonne en fonction de ce flux de décision.
Si tu as utilisé d'autres langages tels que Python, JavaScript, etc, alors tu seras très familier avec le contenu abordé dans ce chapitre. Pour ceux d'entre vous qui débutent dans le développement, ce chapitre est super important ! Les instructions de flux de contrôle sont communes à la plupart des langages auxquels tu seras exposé. Une partie de l'apprentissage d'un langage est la capacité à incorporer ces types d'énoncés.
Dans ce chapitre, tu apprendras à utiliser le flux de contrôle pour incorporer de la logique dans ton application. Tu verras également des cas d'utilisation pour chaque instruction. De nombreux flux comprennent un énoncé de condition qui est utilisé pour dicter les actions à entreprendre. Prête une attention particulière à ces conditions et cherche à utiliser efficacement le flux de contrôle dans ton application.
2.1 Vérifier qu'une condition est remplie
Problème
Tu veux prévoir un contrôle logique ...
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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.