29 lines
429 B
Rust
29 lines
429 B
Rust
|
// run-pass
|
||
|
// compile-flags:-Zmir-opt-level=2
|
||
|
pub fn main() {
|
||
|
let _x: fn() = handle_debug_column;
|
||
|
}
|
||
|
|
||
|
fn handle_debug_column() {
|
||
|
let sampler = sample_columns();
|
||
|
|
||
|
let foo = || {
|
||
|
sampler.get(17);
|
||
|
};
|
||
|
foo();
|
||
|
}
|
||
|
|
||
|
fn sample_columns() -> impl Sampler {
|
||
|
ColumnGen {}
|
||
|
}
|
||
|
|
||
|
struct ColumnGen {}
|
||
|
|
||
|
trait Sampler {
|
||
|
fn get(&self, index: i32);
|
||
|
}
|
||
|
|
||
|
impl Sampler for ColumnGen {
|
||
|
fn get(&self, _index: i32) {}
|
||
|
}
|