mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
// Parse `cfg_attr` with varying numbers of attributes and trailing commas
|
|
|
|
// Completely empty `cfg_attr` input
|
|
#[cfg_attr()] //~ error: malformed `cfg_attr` attribute input
|
|
struct NoConfigurationPredicate;
|
|
|
|
// Zero attributes, zero trailing comma (comma manatory here)
|
|
#[cfg_attr(all())] //~ error: expected `,`, found end of `cfg_attr`
|
|
struct A0C0;
|
|
|
|
// Zero attributes, one trailing comma
|
|
#[cfg_attr(all(),)] // Ok
|
|
struct A0C1;
|
|
|
|
// Zero attributes, two trailing commas
|
|
#[cfg_attr(all(),,)] //~ ERROR expected identifier
|
|
struct A0C2;
|
|
|
|
// One attribute, no trailing comma
|
|
#[cfg_attr(all(), must_use)] // Ok
|
|
struct A1C0;
|
|
|
|
// One attribute, one trailing comma
|
|
#[cfg_attr(all(), must_use,)] // Ok
|
|
struct A1C1;
|
|
|
|
// One attribute, two trailing commas
|
|
#[cfg_attr(all(), must_use,,)] //~ ERROR expected identifier
|
|
struct A1C2;
|
|
|
|
// Two attributes, no trailing comma
|
|
#[cfg_attr(all(), must_use, deprecated)] // Ok
|
|
struct A2C0;
|
|
|
|
// Two attributes, one trailing comma
|
|
#[cfg_attr(all(), must_use, deprecated,)] // Ok
|
|
struct A2C1;
|
|
|
|
// Two attributes, two trailing commas
|
|
#[cfg_attr(all(), must_use, deprecated,,)] //~ ERROR expected identifier
|
|
struct A2C2;
|
|
|
|
// Wrong delimiter `[`
|
|
#[cfg_attr[all(),,]]
|
|
//~^ ERROR wrong `cfg_attr` delimiters
|
|
//~| ERROR expected identifier, found `,`
|
|
struct BracketZero;
|
|
|
|
// Wrong delimiter `{`
|
|
#[cfg_attr{all(),,}]
|
|
//~^ ERROR wrong `cfg_attr` delimiters
|
|
//~| ERROR expected identifier, found `,`
|
|
struct BraceZero;
|
|
|
|
fn main() {}
|