Spoiler, es para controlar la interpretación de cadenas que no sean números. Pero como siempre ocurre en la comunidad Rust, lo explican muy bien y muy detallado. Ideal para aprender.
Why does parse() require an except() or unwrap() method? from rust
La ausencia de prueba no es prueba de ausencia.
El principal enemigo de la creatividad es el buen gusto.
Secretos no son las cosas que no se cuentan, sino las cosas que se cuentan en voz baja y separadamente.
La mayoría de los lectores meten sus libros en la biblioteca; la mayor parte de los escritores meten su biblioteca en sus libros.
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