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
|
// aux-build:test-macros.rs
// check-pass
// compile-flags: -Z span-debug
#![no_std] // Don't load unnecessary hygiene information from std
extern crate std;
extern crate test_macros;
use test_macros::{print_bang, print_bang_consume};
macro_rules! test_matchers {
($expr:expr, $block:block, $stmt:stmt, $ty:ty, $ident:ident, $lifetime:lifetime,
$meta:meta, $path:path, $vis:vis, $tt:tt, $lit:literal) => {
print_bang_consume!($expr, $block, $stmt, $ty, $ident,
$lifetime, $meta, $path, $vis, $tt, $lit)
}
}
macro_rules! use_expr {
($expr:expr) => {
print_bang!($expr)
}
}
macro_rules! use_pat {
($pat:pat) => {
print_bang!($pat)
}
}
#[allow(dead_code)]
struct Foo;
impl Foo {
#[allow(dead_code)]
fn use_self(self) {
drop(use_expr!(self));
test_matchers!(
1 + 1,
{ "a" },
let a = 1,
String,
my_name,
'a,
my_val = 30,
std::option::Option,
pub(in some::path),
[ a b c ],
-30
);
}
fn with_pat(use_pat!((a, b)): (u32, u32)) {
let _ = (a, b);
}
}
fn main() {}
|