tests/ui/macros/expr_2021_inline_const.rs


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

//@ revisions: edi2021 edi2024
//@[edi2024] edition: 2024
//@[edi2021] edition: 2021

// This test ensures that the inline const match only on edition 2024
macro_rules! m2021 {
    ($e:expr_2021) => {
        $e
    };
}

macro_rules! m2024 {
    ($e:expr) => {
        $e
    };
}

macro_rules! test {
    (expr) => {}
}

fn main() {
    m2021!(const { 1 }); //~ ERROR: no rules expected keyword `const`
    m2024!(const { 1 }); //[edi2021]~ ERROR: no rules expected keyword `const`

    test!(expr);
}