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

28 lines
854 B
Rust

//@ run-rustfix
macro_rules! foo {
() => {
assert_eq!("A", "A");
//~^ WARN 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 `#[warn(semicolon_in_expressions_from_macros)]` on by default
assert_eq!("B", "B");
}
//~^^ ERROR macro expansion ignores token `assert_eq` and any 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
}