August 2024
Intermediate to advanced
1014 pages
26h
Spanish
Content preview from Python fluido, 2ª edición
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Capítulo 8. Sugerencias tipográficas en las funciones
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También hay que subrayar que Python seguirá siendo un lenguaje tipado dinámicamente, y los autores no desean hacer nunca obligatorias las indicaciones de tipo, ni siquiera por convención.
Guido van Rossum, Jukka Lehtosalo y Łukasz Langa, PEP 484-Pistas tipo1
Las sugerencias de tipo son el mayor cambio en la historia de Python desde launificación de tipos y clasesen Python 2.2, publicada en 2001. Sin embargo, las sugerencias de tipo no benefician por igual a todos los usuarios de Python. Por eso deben ser siempre opcionales.
PEP 484-Type Hints introdujo la sintaxis y la semántica para las declaraciones explícitas de tipos en argumentos de funciones, valores de retorno y variables. El objetivo es ayudar a las herramientas de desarrollo a encontrar errores en las bases de código de Python mediante el análisis estático, es decir, sin ejecutar realmente el código a través de pruebas.
Los principales beneficiarios son los ingenieros de software profesionales que utilizan IDE (Entornos de Desarrollo Integrado) e IC (Integración Continua). El análisis coste-beneficio que hace que las sugerencias tipográficas sean atractivas para ese grupo no se aplica a todos los usuarios de Python.
La base de usuarios de Python es mucho más amplia: científicos, comerciantes, periodistas, artistas, creadores, analistas y estudiantes ...
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