15 lines
283 B
Rust
15 lines
283 B
Rust
|
//@ known-bug: #122704
|
||
|
|
use std::any::Any;
|
||
|
|
|
||
|
|
pub struct Foo {
|
||
|
|
bar: Box<dyn for<'a> Fn(&'a usize) -> Box<dyn Any + 'a>>,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Foo {
|
||
|
|
pub fn ack<I>(&mut self, f: impl for<'a> Fn(&'a usize) -> Box<I>) {
|
||
|
|
self.bar = Box::new(|baz| Box::new(f(baz)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|