rust/tests/ui/macros/macro-in-expression-context.rs

//@ run-rustfix

macro_rules! foo {
    () => {
        assert_eq!("A", "A");
        //~^ ERROR trailing semicolon in macro
        //~| WARN this was previously
        //~| NOTE macro invocations at the end of a block
        //~| NOTE to ignore the value produced by the macro
        //~| NOTE for more information
        //~| NOTE `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
        assert_eq!("B", "B");
    }
    //~^^ ERROR macro expansion ignores `assert_eq` and any tokens following
    //~| NOTE the usage of `foo!` is likely invalid in expression context
}

fn main() {
    foo!()
    //~^ NOTE caused by the macro expansion here
    //~| NOTE in this expansion
    //~| NOTE in this expansion
    //~| NOTE in this expansion
    //~| NOTE in this expansion
    //~| NOTE in this expansion
    //~| NOTE in this expansion
}