Programming-Idioms

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2020-03-03, 19:58:45

2020-03-20, 17:56:38

Idiom #43 Break outer loop

Look for a negative value v in 2D integer matrix m. Print it and stop searching.

Look for a negative value v in 2D integer matrix m. Print it and stop searching.

'outer: for v in m {
    'inner: for i in v {
        if i < 0 {
            println!("Found {}", i);
            break 'outer;
        }
    }
}

'outer: for v in m {
    'inner: for i in v {
        if i < 0 {
            println!("Found {}", i);
            break 'outer;
        }
    }
}

Loop label syntax is similar to lifetimes.

Loop label syntax is similar to lifetimes.

http://stackoverflow.com/a/22906579/1254484

http://stackoverflow.com/a/22906579/1254484

http://is.gd/Uw926A

https://play.rust-lang.org/?version=stable&mode=debug&edition=2015&gist=bb1304afbfb08a6b35d2873409d76fcb

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