blob: 1a423cac1b5cacfaec09273972997ced38adc115 (
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
36
37
38
39
|
macro_rules! make_macro {
($macro_name:ident $($matcher:tt)*) => {
#[macro_export]
macro_rules! $macro_name {
(<= $($matcher)* =>) => {};
}
}
}
// @has macro_generated_macro/macro.interpolations.html //pre 'macro_rules! interpolations {'
// @has - //pre '(<= type $($i:ident)::* + $e:expr =>) => { ... };'
make_macro!(interpolations type $($i:ident)::* + $e:expr);
interpolations!(<= type foo::bar + x.sort() =>);
// @has macro_generated_macro/macro.attributes.html //pre 'macro_rules! attributes {'
// @has - //pre '(<= #![no_std] #[cfg(feature = "alloc")] =>) => { ... };'
make_macro!(attributes #![no_std] #[cfg(feature = "alloc")]);
// @has macro_generated_macro/macro.groups.html //pre 'macro_rules! groups {'
// @has - //pre '(<= fn {} () { foo[0] } =>) => { ... };'
make_macro!(groups fn {}() {foo[0]});
// @snapshot macro_linebreak_pre macro_generated_macro/macro.linebreak.html //pre/text()
make_macro!(linebreak 0 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);
// @snapshot macro_morestuff_pre macro_generated_macro/macro.morestuff.html //pre/text()
make_macro!(morestuff
"space between most kinds of tokens": 1 $x + @ :: >>= 'static
"no space inside paren or bracket": (2 a) [2 a] $(2 $a:tt)*
"space inside curly brace": { 2 a }
"no space inside empty delimiters": () [] {}
"no space before comma or semicolon": a, (a), { a }, a; [T; 0];
"the three repetition specifiers": $(@)*, $(@)+, $(@)?
"repetition separators": $(@)|*, $(@)|+, $(@)==*, $(@)static*
"plus or star cannot be a repetition separator": $(@)+ * $(@)* +
"no space between ident and paren": let _ = f(0) + f[0] + Struct {};
"space between keyword and paren": return (a,) & for x in (..)
"some special case keywords": pub(crate), fn() -> u8, Self(0, 0)
);
|
