Just my 50 cents, there's indeed a 3rd party library for things like that:
use itertools::Itertools; fn has_double(s: &str) -> bool { s.chars().tuple_windows().any(|(a, b)| a == b) }
Here's this code in playground
Good to know, thank you!
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Just my 50 cents, there's indeed a 3rd party library for things like that:
Here's this code in playground
Good to know, thank you!