src/tools/clippy/tests/ui/semicolon_inside_block.fixed

#![allow(
    unused,
    clippy::unused_unit,
    clippy::unnecessary_operation,
    clippy::no_effect,
    clippy::single_element_loop,
    clippy::double_parens
)]
#![warn(clippy::semicolon_inside_block)]
#![feature(try_blocks)]

macro_rules! m {
    (()) => {
        ()
    };
    (0) => {{
        0
    };};
    (1) => {{
        1;
    }};
    (2) => {{
        2;
    }};
}

fn unit_fn_block() {
    ()
}

#[rustfmt::skip]
fn main() {
    { unit_fn_block() }
    unsafe { unit_fn_block() }

    {
        unit_fn_block()
    }

    { unit_fn_block(); }
    //~^ semicolon_inside_block
    unsafe { unit_fn_block(); }
    //~^ semicolon_inside_block

    { unit_fn_block(); }
    unsafe { unit_fn_block(); }

    { unit_fn_block(); };
    unsafe { unit_fn_block(); };

    {
    //~^ semicolon_inside_block
        unit_fn_block();
        unit_fn_block();
    }
    {
        unit_fn_block();
        unit_fn_block();
    }
    {
        unit_fn_block();
        unit_fn_block();
    };

    { m!(()); }
    //~^ semicolon_inside_block
    { m!(()); }
    { m!(()); };
    m!(0);
    m!(1);
    m!(2);

    for _ in [()] {
        unit_fn_block();
    }
    for _ in [()] {
        unit_fn_block()
    }

    let _d = || {
        unit_fn_block();
    };
    let _d = || {
        unit_fn_block()
    };

    { unit_fn_block(); };

    unit_fn_block()
}

#[rustfmt::skip]
fn issue15380() {
    ( {0;0});

    ({
        0;
        0
    });

    (({ 0 }))      ;

    ( ( { 0 } ) ) ;
}

pub fn issue15388() {
    #[rustfmt::skip]
    {0; 0};
}

fn issue_try_blocks() {
    // try blocks should NOT trigger semicolon_inside_block:
    // moving `;` inside changes the return type (e.g. `Option<i32>` -> `Option<()>`)
    // which in turn changes the type constraints on `?` operators inside the block,
    // causing type errors.
    try { Some(1)? };
}