| ---cargo | |
| //~^ ERROR: unclosed frontmatter | |
| //@ compile-flags: --crate-type lib | |
| #![feature(frontmatter)] | |
| fn foo(x: i32) -> i32 { | |
| ---x | |
| //~^ WARNING: use of a double negation [double_negations] | |
| } | |
| // this test is for the weird case that valid Rust code can have three dashes | |
| // within them and get treated as a frontmatter close. |