Rust용어)Default match binding

코딩Coding/Rust용어 2020. 9. 20. 10:14

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https://doc.rust-lang.org/edition-guide/rust-2018/ownership-and-lifetimes/default-match-bindings.html

Default match bindings - The Edition Guide

Have you ever had a borrowed Option and tried to match on it? You probably wrote this: let s: &Option = &Some("hello".to_string()); match s { Some(s) => println!("s is: {}", s), _ => (), }; In Rust 2015, this would fail to compile, and you would have to wr

doc.rust-lang.org

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