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//@ revisions: current next
//@[next] compile-flags: -Znext-solver
//@ ignore-compare-mode-next-solver (explicit revisions)
//@ check-pass
// Regression test for trait-system-refactor-initiative#181. Make sure calling
// opaque types works.
fn fn_trait() -> impl Fn() {
if false {
let f = fn_trait();
f();
}
|| ()
}
fn fn_trait_ref() -> impl Fn() {
if false {
let f = &fn_trait();
f();
}
|| ()
}
fn fn_mut() -> impl FnMut() -> usize {
if false {
let mut f = fn_mut();
f();
}
let mut state = 0;
move || {
state += 1;
state
}
}
fn fn_mut_ref() -> impl FnMut() -> usize {
if false {
let mut f = &mut fn_mut();
f();
}
let mut state = 0;
move || {
state += 1;
state
}
}
fn fn_once() -> impl FnOnce() {
if false {
let mut f = fn_once();
f();
}
let string = String::new();
move || drop(string)
}
fn fn_once_ref() -> impl FnOnce() {
if false {
let mut f = Box::new(fn_once_ref());
f();
}
let string = String::new();
move || drop(string)
}
fn main() {}
|
