blob: 00aed2ad95a283c642fbc39e880e130dcba53212 (
plain)
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
41
42
43
44
45
46
47
48
|
// edition:2021
fn foo(b: bool) -> impl std::fmt::Debug {
if b {
return vec![42]
}
[].into_iter().collect()
}
fn bar(b: bool) -> impl std::fmt::Debug {
if b {
return [].into_iter().collect()
}
vec![42]
}
fn bak(b: bool) -> impl std::fmt::Debug {
if b {
return std::iter::empty().collect()
}
vec![42]
}
fn baa(b: bool) -> impl std::fmt::Debug {
if b {
return [42].into_iter().collect()
}
vec![]
}
fn muh() -> Result<(), impl std::fmt::Debug> {
Err("whoops")?;
Ok(())
//~^ ERROR type annotations needed
}
fn muh2() -> Result<(), impl std::fmt::Debug> {
return Err(From::from("foo"));
//~^ ERROR type annotations needed
Ok(())
}
fn muh3() -> Result<(), impl std::fmt::Debug> {
Err(From::from("foo"))
//~^ ERROR type annotations needed
}
fn main() {}
|