November 2024
Intermediate to advanced
802 pages
19h 26m
French
Content preview from Manuel de cuisine Scala, 2e édition
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Chapitre 10. Programmation fonctionnelle
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Scala prend en charge à la fois la programmation orientée objet et les styles de programmation fonctionnelle. En effet, comme je l'ai consigné ici sur mon site Web, lors d'une présentation en 2018, Martin Odersky, le créateur du langage Scala, a déclaré que l'essence de Scala est une "fusion de la programmation fonctionnelle et orientée objet dans un cadre typé", avec des "fonctions pour la logique" et des "objets pour la modularité." De nombreuses recettes de ce livre démontrent cette fusion, et ce chapitre se concentre uniquement sur les techniques de programmation fonctionnelle en Scala - que j'appellerai Scala/FP dans ce chapitre.
La programmation fonctionnelle est un vaste sujet, et j'ai écrit plus de sept cents pages à ce sujet dans mon livre Functional Programming, Simplified. Bien que je ne puisse pas couvrir tout ce matériel dans ce chapitre, je vais essayer de couvrir certains des principaux concepts. Les recettes initiales montreront comment :
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Écrire et comprendre les littéraux de fonction
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Passer des fonctions littérales (également connues sous le nom de fonctions anonymes) dans les méthodes.
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Ecris des méthodes qui acceptent des fonctions comme variables
Ensuite, tu verras des techniques de programmation fonctionnelle très spécifiques :
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Fonctions partiellement appliquées
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Écrire des méthodes ...
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