rustfmt-nightly 1.4.21

Tool to find and fix Rust formatting issues
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// Test assignment

fn main() {
    let some_var: Type;

    let mut mutable;

    let variable =
        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA::BBBBBBBBBBBBBBBBBBBBBB::CCCCCCCCCCCCCCCCCCCCCC::EEEEEE;

    variable =
        LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOONG;

    let single_line_fit = DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;

    single_line_fit = 5;
    single_lit_fit >>= 10;

    // #2791
    let x = 2;
}

fn break_meee() {
    {
        (
            block_start,
            block_size,
            margin_block_start,
            margin_block_end,
        ) = match (block_start, block_end, block_size) {
            x => 1,
            _ => 2,
        };
    }
}

// #2018
pub const EXPLAIN_UNSIZED_TUPLE_COERCION: &'static str =
    "Unsized tuple coercion is not stable enough for use and is subject to change";