mirror of https://github.com/rust-lang/rust
23 lines
599 B
Rust
23 lines
599 B
Rust
// This is a regression test for a problem encountered around upvar
|
|
// inference and trait caching: in particular, we were entering a
|
|
// temporary closure kind during inference, and then caching results
|
|
// based on that temporary kind, which led to no error being reported
|
|
// in this particular test.
|
|
|
|
fn main() {
|
|
let inc = || {};
|
|
inc();
|
|
|
|
fn apply<F>(f: F) where F: Fn() {
|
|
f()
|
|
}
|
|
|
|
let mut farewell = "goodbye".to_owned();
|
|
let diary = || { //~ ERROR E0525
|
|
farewell.push_str("!!!");
|
|
println!("Then I screamed {}.", farewell);
|
|
};
|
|
|
|
apply(diary);
|
|
}
|