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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
error: expected type, found `{`
--> $DIR/macro-fail.rs:33:27
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
| ----------------------
| |
| this macro call doesn't expand to a type
| in this macro invocation
...
LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected type, found `{`
--> $DIR/macro-fail.rs:33:27
|
LL | Example::<gimme_a_const!(marker)>
| ----------------------
| |
| this macro call doesn't expand to a type
| in this macro invocation
...
LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected type, found `{`
--> $DIR/macro-fail.rs:6:10
|
LL | () => {{
| __________^
LL | |
LL | | const X: usize = 1337;
LL | | X
LL | | }}
| |___^ expected type
...
LL | let _fail = Example::<external_macro!()>;
| -----------------
| |
| this macro call doesn't expand to a type
| in this macro invocation
|
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: unexpected end of macro invocation
--> $DIR/macro-fail.rs:44:25
|
LL | macro_rules! gimme_a_const {
| -------------------------- when calling this macro
...
LL | let _fail = Example::<gimme_a_const!()>;
| ^^^^^^^^^^^^^^^^ missing tokens in macro arguments
error[E0107]: wrong number of const arguments: expected 1, found 0
--> $DIR/macro-fail.rs:16:26
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 const argument
error[E0107]: wrong number of type arguments: expected 0, found 1
--> $DIR/macro-fail.rs:16:33
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
| ^^^^^^^^^^^^^^^^^^^^^^ unexpected type argument
error[E0107]: wrong number of const arguments: expected 1, found 0
--> $DIR/macro-fail.rs:19:3
|
LL | Example::<gimme_a_const!(marker)>
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 const argument
error[E0107]: wrong number of type arguments: expected 0, found 1
--> $DIR/macro-fail.rs:19:13
|
LL | Example::<gimme_a_const!(marker)>
| ^^^^^^^^^^^^^^^^^^^^^^ unexpected type argument
error[E0107]: wrong number of const arguments: expected 1, found 0
--> $DIR/macro-fail.rs:40:15
|
LL | let _fail = Example::<external_macro!()>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 const argument
error[E0107]: wrong number of type arguments: expected 0, found 1
--> $DIR/macro-fail.rs:40:25
|
LL | let _fail = Example::<external_macro!()>;
| ^^^^^^^^^^^^^^^^^ unexpected type argument
error[E0107]: wrong number of const arguments: expected 1, found 0
--> $DIR/macro-fail.rs:44:15
|
LL | let _fail = Example::<gimme_a_const!()>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 const argument
error[E0107]: wrong number of type arguments: expected 0, found 1
--> $DIR/macro-fail.rs:44:25
|
LL | let _fail = Example::<gimme_a_const!()>;
| ^^^^^^^^^^^^^^^^ unexpected type argument
error: aborting due to 12 previous errors
For more information about this error, try `rustc --explain E0107`.
|