blob: 870f1805b58942d5dd793cd4f36f182f1b359c75 (
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
|
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/unsized-ret.rs:10:27
|
LL | foo::<fn() -> str, _>(None, ());
| --------------------- ^^^^ doesn't have a size known at compile-time
| |
| required by a bound introduced by this call
|
= help: within `fn() -> str`, the trait `Sized` is not implemented for `str`
= note: required because it appears within the type `fn() -> str`
note: required by a bound in `foo`
--> $DIR/unsized-ret.rs:5:11
|
LL | fn foo<F: Fn<T>, T:std::marker::Tuple>(f: Option<F>, t: T) {
| ^^^^^ required by this bound in `foo`
error[E0277]: the size for values of type `(dyn std::fmt::Display + 'a)` cannot be known at compilation time
--> $DIR/unsized-ret.rs:13:66
|
LL | foo::<for<'a> fn(&'a ()) -> (dyn std::fmt::Display + 'a), _>(None, (&(),));
| ------------------------------------------------------------ ^^^^ doesn't have a size known at compile-time
| |
| required by a bound introduced by this call
|
= help: within `for<'a> fn(&'a ()) -> (dyn std::fmt::Display + 'a)`, the trait `for<'a> Sized` is not implemented for `(dyn std::fmt::Display + 'a)`
= note: required because it appears within the type `fn(&()) -> dyn Display`
note: required by a bound in `foo`
--> $DIR/unsized-ret.rs:5:11
|
LL | fn foo<F: Fn<T>, T:std::marker::Tuple>(f: Option<F>, t: T) {
| ^^^^^ required by this bound in `foo`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
|
