FN manual_range_patterns : negative values

[matthiaskrgr]

Description

fn main() {
    let x: i8 = i8::MAX;

    matches!(x, -1 | -2 | -3 | -4);

    let y = -3..5;
    let v = y.collect::<Vec<_>>();
    dbg!(v);
}

could warn as ranges can also go negative.

Version

rustc 1.72.0-nightly (5bd28f5ea 2023-06-28)
binary: rustc
commit-hash: 5bd28f5eac1ba3569bfa8d49ec3f5acbdfdff7a0
commit-date: 2023-06-28
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5

Additional Labels

No response