mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
26 lines
641 B
Rust
26 lines
641 B
Rust
#![allow(dead_code, unused_variables)]
|
|
|
|
use std::sync::Arc;
|
|
|
|
#[derive(Debug)]
|
|
struct A;
|
|
#[derive(Debug)]
|
|
struct B;
|
|
|
|
fn process_without_annot(arc: &Arc<(A, B)>) {
|
|
let (a, b) = **arc; // suggests putting `&**arc` here; with that, fixed!
|
|
}
|
|
|
|
fn process_with_annot(arc: &Arc<(A, B)>) {
|
|
let (a, b): (A, B) = &**arc; // suggests putting `&**arc` here too
|
|
//~^ ERROR mismatched types
|
|
}
|
|
|
|
fn process_with_tuple_annot(mutation: &mut (A, B), arc: &Arc<(A, B)>) {
|
|
let (a, b): ((A, B), A) = (&mut *mutation, &(**arc).0); // suggests putting `&**arc` here too
|
|
//~^ ERROR mismatched types
|
|
//~| ERROR mismatched types
|
|
}
|
|
|
|
fn main() {}
|