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
|
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `error`
--> $DIR/main.rs:10:20
|
LL | / macro_rules! pong {
LL | | () => { syntax error };
| | ^^^^^ expected one of 8 possible tokens
LL | | }
| |_- in this expansion of `pong!`
...
LL | pong!();
| -------- in this macro invocation
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `error`
--> $DIR/main.rs:10:20
|
LL | / macro_rules! pong {
LL | | () => { syntax error };
| | ^^^^^ expected one of 8 possible tokens
LL | | }
| |__- in this expansion of `pong!` (#2)
...
LL | ping!();
| -------- in this macro invocation (#1)
|
::: $DIR/auxiliary/ping.rs:5:1
|
LL | / macro_rules! ping {
LL | | () => {
LL | | pong!();
| | -------- in this macro invocation (#2)
LL | | }
LL | | }
| |_- in this expansion of `ping!` (#1)
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `error`
--> $DIR/main.rs:10:20
|
LL | / macro_rules! pong {
LL | | () => { syntax error };
| | ^^^^^ expected one of 8 possible tokens
LL | | }
| |__- in this expansion of `pong!` (#5)
...
LL | deep!();
| -------- in this macro invocation (#1)
|
::: $DIR/auxiliary/ping.rs:5:1
|
LL | / macro_rules! ping {
LL | | () => {
LL | | pong!();
| | -------- in this macro invocation (#5)
LL | | }
LL | | }
| |_- in this expansion of `ping!` (#4)
...
LL | / macro_rules! deep {
LL | | () => {
LL | | foo!();
| | ------- in this macro invocation (#2)
LL | | }
LL | | }
| |__- in this expansion of `deep!` (#1)
...
LL | / macro_rules! foo {
LL | | () => {
LL | | bar!();
| | ------- in this macro invocation (#3)
LL | | }
LL | | }
| |__- in this expansion of `foo!` (#2)
...
LL | / macro_rules! bar {
LL | | () => {
LL | | ping!();
| | -------- in this macro invocation (#4)
LL | | }
LL | | }
| |__- in this expansion of `bar!` (#3)
error: aborting due to 3 previous errors
|
