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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
error[E0308]: mismatched types
--> $DIR/issue-86100-tuple-paren-comma.rs:9:22
|
LL | let _x: (i32,) = (5);
| ------ ^^^ expected `(i32,)`, found integer
| |
| expected due to this
|
= note: expected tuple `(i32,)`
found type `{integer}`
help: use a trailing comma to create a tuple with one element
|
LL | let _x: (i32,) = (5,);
| +
error[E0308]: mismatched types
--> $DIR/issue-86100-tuple-paren-comma.rs:13:9
|
LL | foo((Some(3)));
| --- ^^^^^^^^^ expected `(_,)`, found `Option<{integer}>`
| |
| arguments to this function are incorrect
|
= note: expected tuple `(_,)`
found enum `Option<{integer}>`
note: function defined here
--> $DIR/issue-86100-tuple-paren-comma.rs:5:4
|
LL | fn foo<T>(_t: (T,)) {}
| ^^^ --------
help: use a trailing comma to create a tuple with one element
|
LL | foo((Some(3),));
| +
error[E0308]: mismatched types
--> $DIR/issue-86100-tuple-paren-comma.rs:17:22
|
LL | let _s = S { _s: ("abc".to_string()) };
| ^^^^^^^^^^^^^^^^^^^ expected `(String,)`, found `String`
|
= note: expected tuple `(String,)`
found struct `String`
help: use a trailing comma to create a tuple with one element
|
LL | let _s = S { _s: ("abc".to_string(),) };
| +
error[E0308]: mismatched types
--> $DIR/issue-86100-tuple-paren-comma.rs:23:22
|
LL | let _x: (i32,) = (t);
| ------ ^^^ expected a tuple with 1 element, found one with 2 elements
| |
| expected due to this
|
= note: expected tuple `(i32,)`
found tuple `({integer}, {integer})`
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0308`.
|