November 2024
Intermediate to advanced
310 pages
6h 57m
French
Content preview from Livre de cuisine Flutter et Dart
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Chapitre 3. Mise en oeuvre des fonctions
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Dans ce chapitre , nous allons dépasser les principes fondamentaux de Dart et présenter les fonctions. Comme tu l'as peut-être remarqué, nous avons déjà utilisé un certain nombre de fonctions (par exemple, main et print). Dans ce chapitre, nous allons explorer les principaux cas d'utilisation des fonctions.
La création d'applications plus complexes exigera certainement des développeurs qu'ils progressent au-delà des constructions simples. Au minimum, il est souhaitable de connaître certains concepts et algorithmes essentiels. Au cours de ce chapitre, tu apprendras les fondements de l'isolation du code.
Le principal cas d'utilisation des fonctions est le regroupement d'instructions. Le chapitre commence par illustrer comment définir une fonction de base sans paramètres ni valeur de retour. Dans la plupart des situations, ce n'est pas le modèle que tu voudras utiliser. Cependant, il a été inclus à des fins d'apprentissage. Ensuite, tu seras initié aux paramètres et aux valeurs de retour. À ce stade, j'espère que tu comprendras mieux pourquoi l'ajout de paramètres et de valeurs de retour est si puissant et constitue le modèle à suivre.
Vers la fin du chapitre, tu verras des exemples d'autres façons d'utiliser les fonctions. Tu découvriras qu'au fur et à mesure que tes compétences se développent en tant que développeur, ...
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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.