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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-tidy-tab
#![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
#![feature(no_debug)]
#[no_mangle] static SHENZHOU: usize = 1; // should suggest `pub`
//~^ WARN static is marked #[no_mangle]
#[no_mangle] const DISCOVERY: usize = 1; // should suggest `pub static` rather than `const`
//~^ ERROR const items should never be #[no_mangle]
#[no_mangle] // should suggest removal (generics can't be no-mangle)
pub fn defiant<T>(_t: T) {}
//~^ WARN functions generic over types must be mangled
#[no_mangle]
fn rio_grande() {} // should suggest `pub`
//~^ WARN function is marked
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;
//~^ WARN static is marked
#[no_mangle] pub fn val_jean() {}
//~^ WARN function is marked
}
struct Equinox {
warp_factor: f32,
}
#[no_debug] // should suggest removal of deprecated attribute
//~^ WARN deprecated
fn main() {
while true { // should suggest `loop`
//~^ WARN denote infinite loops
let mut a = (1); // should suggest no `mut`, no parens
//~^ WARN does not need to be mutable
//~| WARN unnecessary parentheses
// the line after `mut` has a `\t` at the beginning, this is on purpose
let mut
b = 1;
//~^^ WARN does not need to be mutable
let d = Equinox { warp_factor: 9.975 };
match d {
Equinox { warp_factor: warp_factor } => {} // should suggest shorthand
//~^ WARN this pattern is redundant
}
println!("{} {}", a, b);
}
}
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