September 2024
Intermediate to advanced
328 pages
8h 14m
Spanish
Content preview from Programación funcional con C#
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Capítulo 9. Bucles indefinidos
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Ya has visto en capítulos anteriores cómo FP sustituye los bucles for y foreach por funciones LINQ como Select() o Aggregate(). Eso es absolutamente estupendo, siempre que trabajes con una matriz de longitud fija, o con un enumerable que determine por sí mismo cuándo ha llegado el momento de terminar de iterar.
Pero, ¿qué haces cuando no estás seguro en absoluto de durante cuánto tiempo quieres iterar? ¿Y si vas a iterar indefinidamente hasta que se cumpla una condición?
Empezaré este capítulo ofreciéndote una implementación no funcional del antiguo juego de mesa indio Serpientes y Escaleras.1 Aquí tienes las reglas para todos aquellos que tuvieron una infancia trágicamente desprovista de este clásico de los juegos de mesa:
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El tablero consta de 100 casillas. Los jugadores empiezan en la casilla 1 y su objetivo es llegar a la casilla 100.
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Cada jugador tira un solo dado por turno y mueve su ficha hacia delante el número de casillas indicado.
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Aterrizar en la parte inferior de una escalera significa que la pieza de juego debe "escalarla" hasta la parte superior, avanzando más cerca de la casilla 100.
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Aterrizar en la cabeza de una serpiente significa que la pieza de juego debe "deslizarse" por ella hasta el final de la cola, alejándose de la casilla 100.
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Un jugador que saque un 6 puede hacer otro turno.
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Gana el primer jugador ...
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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.