src/test/rustdoc-ui/unused.rs

   1 // check-pass
   2
   3 // This test purpose is to check that unused_imports lint isn't fired
   4 // by rustdoc. Why would it? Because when rustdoc is running, it uses
   5 // "everybody-loops" which replaces parts of code with "loop {}" to get
   6 // huge performance improvements.
   7
   8 #![deny(unused_imports)]
   9
  10 use std::fs::File;
  11
  12 pub fn f() {
  13     let _: File;
  14 }