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Rust: Tipos nulos (Option) y gestión de errores (Result)

danigm.net · published 3 March 2017

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https://doc.rust-lang.org/std/option/index.html

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https://doc.rust-lang.org/std/option/enum.Option.html

doc.rust-lang.org

https://play.rust-lang.org/?code=struct%20User%3C%27a%3E%20%7B%0A%20%20%20%20username%3A%20%26%27a%20str%2C%0A%20%20%20%20email%3A%20Option%3C%26%27a%20str%3E%2C%0A%7D%0A%0Afn%20send_email(u%3A%20%26User

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https://doc.rust-lang.org/book/match.html

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https://doc.rust-lang.org/std/result/index.html

doc.rust-lang.org

https://play.rust-lang.org/?code=%23%5Ballow(dead_code

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https://doc.rust-lang.org/std/error/trait.Error.html

doc.rust-lang.org

https://doc.rust-lang.org/std/macro.try.html

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https://play.rust-lang.org/?code=use%20std%3A%3Aslice%3A%3AIter%3B%0A%0Astruct%20User%3C%27a%3E%20%7B%0A%20%20%20%20username%3A%20%26%27a%20str%2C%0A%20%20%20%20email%3A%20Option%3C%26%27a%20str%3E%2C%0A%7D%0A%0Afn%20transform_email(u%3A%20%26User

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