src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs

   1 //@aux-build:proc_macros.rs
   2
   3 #![warn(clippy::toplevel_ref_arg)]
   4 #![allow(unused)]
   5
   6 extern crate proc_macros;
   7 use proc_macros::{external, inline_macros};
   8
   9 fn the_answer(ref mut x: u8) {
  10     *x = 42;
  11 }
  12
  13 #[inline_macros]
  14 fn main() {
  15     let mut x = 0;
  16     the_answer(x);
  17
  18     // lint in macro
  19     inline! {
  20         fn fun_example(ref _x: usize) {}
  21     }
  22
  23     // do not lint in external macro
  24     external! {
  25         fn fun_example2(ref _x: usize) {}
  26     }
  27 }