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