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Commit | Line | Data |
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04454e1e | 1 | #![crate_type = "lib"] |
04454e1e FG |
2 | |
3 | fn lbv_macro_test_hygiene_respected() { | |
4 | macro_rules! mac2 { | |
5 | ($val:expr) => { | |
6 | break 'a $val; //~ ERROR undeclared label `'a` [E0426] | |
7 | }; | |
8 | } | |
9 | let x: u8 = 'a: { | |
10 | 'b: { | |
11 | if true { | |
12 | mac2!(2); | |
13 | } | |
14 | }; | |
15 | 0 | |
16 | }; | |
17 | assert_eq!(x, 2); | |
18 | ||
19 | macro_rules! mac3 { | |
20 | ($val:expr) => { | |
21 | 'a: { | |
04454e1e FG |
22 | $val |
23 | } | |
24 | }; | |
25 | } | |
923072b8 | 26 | let x: u8 = mac3!('b: { |
04454e1e FG |
27 | if true { |
28 | break 'a 3; //~ ERROR undeclared label `'a` [E0426] | |
29 | } | |
30 | 0 | |
31 | }); | |
32 | assert_eq!(x, 3); | |
33 | let x: u8 = mac3!(break 'a 4); //~ ERROR undeclared label `'a` [E0426] | |
34 | assert_eq!(x, 4); | |
35 | } |