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li
fn foo(list: &[&str]) {
list.windows(2).map(|&[x, y]| format!("{} {}", x, y));
// ... code
}
refutable pattern in function argument: `&[]`, `&[_]`, `&[_, _]` and 1 more not covered
patterns `&[]`, `&[_]`, `&[_, _]` and 1 more not covered
note: the matched value is of type `&[&str]`rustc(E0005)
lib.rs(2, 26): patterns `&[]`, `&[_]`, `&[_, _]` and 1 more not covered
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