File: issue-107775.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (40 lines) | stat: -rw-r--r-- 805 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
//@ edition: 2021

use std::collections::HashMap;
use std::future::Future;
use std::pin::Pin;

pub trait Trait {
    fn do_something<'async_trait>(byte: u8)
    ->
        Pin<Box<dyn Future<Output = ()> +
        Send + 'async_trait>>;
}

pub struct Struct;

impl Trait for Struct {
    fn do_something<'async_trait>(byte: u8)
        ->
            Pin<Box<dyn Future<Output = ()> +
            Send + 'async_trait>> {
        Box::pin(

            async move { let byte = byte; let _: () = {}; })
    }
}

pub struct Map {
    map: HashMap<u16, fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>>>,
}

impl Map {
    pub fn new() -> Self {
        let mut map = HashMap::new();
        map.insert(1, Struct::do_something);
        Self { map }
        //~^ ERROR mismatched types
    }
}

fn main() {}