mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
67 lines
2.1 KiB
Rust
67 lines
2.1 KiB
Rust
// ignore-tidy-tab
|
|
// run-rustfix
|
|
|
|
#![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
|
|
|
|
#[no_mangle] pub static DISCOVERY: usize = 1;
|
|
//~^ ERROR const items should never be `#[no_mangle]`
|
|
//~| HELP try a static value
|
|
|
|
|
|
//~^ HELP remove this attribute
|
|
pub fn defiant<T>(_t: T) {}
|
|
//~^ WARN functions generic over types or consts must be mangled
|
|
|
|
#[no_mangle]
|
|
fn rio_grande() {}
|
|
|
|
mod badlands {
|
|
// The private-no-mangle lints shouldn't suggest inserting `pub` when the
|
|
// item is already `pub` (but triggered the lint because, e.g., it's in a
|
|
// private module). (Issue #47383)
|
|
#[no_mangle] pub static DAUNTLESS: bool = true;
|
|
//~^ ERROR const items should never be `#[no_mangle]`
|
|
//~| HELP try a static value
|
|
#[allow(dead_code)] // for rustfix
|
|
pub fn val_jean<T>() {}
|
|
//~^ WARN functions generic over types or consts must be mangled
|
|
//~| HELP remove this attribute
|
|
|
|
// ... but we can suggest just-`pub` instead of restricted
|
|
#[no_mangle] pub static VETAR: bool = true;
|
|
//~^ ERROR const items should never be `#[no_mangle]`
|
|
//~| HELP try a static value
|
|
#[allow(dead_code)] // for rustfix
|
|
pub(crate) fn crossfield<T>() {}
|
|
//~^ WARN functions generic over types or consts must be mangled
|
|
//~| HELP remove this attribute
|
|
}
|
|
|
|
struct Equinox {
|
|
warp_factor: f32,
|
|
}
|
|
|
|
fn main() {
|
|
loop {
|
|
//~^ WARN denote infinite loops
|
|
//~| HELP use `loop`
|
|
let registry_no = format!("NX-{}", 74205);
|
|
//~^ WARN does not need to be mutable
|
|
//~| HELP remove this `mut`
|
|
//~| WARN unnecessary parentheses
|
|
//~| HELP remove these parentheses
|
|
// the line after `mut` has a `\t` at the beginning, this is on purpose
|
|
let b = 1;
|
|
//~^^ WARN does not need to be mutable
|
|
//~| HELP remove this `mut`
|
|
let d = Equinox { warp_factor: 9.975 };
|
|
match d {
|
|
#[allow(unused_variables)] // for rustfix
|
|
Equinox { warp_factor } => {}
|
|
//~^ WARN this pattern is redundant
|
|
//~| HELP use shorthand field pattern
|
|
}
|
|
println!("{} {}", registry_no, b);
|
|
}
|
|
}
|