Programming-Idioms

History of Idiom 12 > diff from v94 to v95

Edit summary for version 95 by programming-idioms.org:
[Rust] Avoid link shortener if possible

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Version 94

2020-03-20, 17:37:15

Version 95

2020-03-20, 18:01:02

Idiom #12 Check if list contains a value

Check if list contains a value x.
list is an iterable finite container.

Idiom #12 Check if list contains a value

Check if list contains a value x.
list is an iterable finite container.

Extra Keywords

array vector member membership

Extra Keywords

array vector member membership

Rust

Rust

Code

(&list).into_iter().any(|v| v == &x)

Code

(&list).into_iter().any(|v| v == &x)

Comments bubble

This is the the truly general version, but it isn't the most idiomatic.

Comments bubble

This is the the truly general version, but it isn't the most idiomatic.

Doc URL

https://doc.rust-lang.org/std/iter/trait.IntoIterator.html#tymethod.into_iter

Doc URL

https://doc.rust-lang.org/std/iter/trait.IntoIterator.html#tymethod.into_iter

Demo URL

https://is.gd/hZWiKW

Demo URL

https://play.rust-lang.org/?version=stable&mode=debug&edition=2015&gist=1f4f445c64974c240ac90d5aa8735716

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History of Idiom 12 > diff from v94 to v95

Version 94

Version 95

Idiom #12 Check if list contains a value

Idiom #12 Check if list contains a value

Extra Keywords

Extra Keywords

Code

Code

Comments bubble

Comments bubble

Doc URL

Doc URL

Demo URL

Demo URL

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