//@run-rustfix //@aux-build:proc_macros.rs #![allow(clippy::return_self_not_must_use)] #![warn(clippy::deref_addrof)] extern crate proc_macros; use proc_macros::inline_macros; fn get_number() -> usize { 10 } fn get_reference(n: &usize) -> &usize { n } #[allow(clippy::double_parens)] #[allow(unused_variables, unused_parens)] fn main() { let a = 10; let aref = &a; let b = *&a; let b = *&get_number(); let b = *get_reference(&a); let bytes: Vec = vec![1, 2, 3, 4]; let b = *&bytes[1..2][0]; //This produces a suggestion of 'let b = (a);' which //will trigger the 'unused_parens' lint let b = *&(a); let b = *(&a); #[rustfmt::skip] let b = *((&a)); let b = *&&a; let b = **&aref; let _ = unsafe { *core::ptr::addr_of!(a) }; } #[derive(Copy, Clone)] pub struct S; #[inline_macros] impl S { pub fn f(&self) -> &Self { inline!(*& $(@expr self)) } #[allow(unused_mut)] // mut will be unused, once the macro is fixed pub fn f_mut(mut self) -> Self { inline!(*&mut $(@expr self)) } }