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

   1 #![warn(clippy::rc_buffer)]
   2 #![allow(dead_code, unused_imports)]
   3
   4 use std::cell::RefCell;
   5 use std::ffi::OsString;
   6 use std::path::PathBuf;
   7 use std::rc::Rc;
   8
   9 struct S {
  10     // triggers lint
  11     bad1: Rc<String>,
  12     bad2: Rc<PathBuf>,
  13     bad3: Rc<Vec<u8>>,
  14     bad4: Rc<OsString>,
  15     // does not trigger lint
  16     good1: Rc<RefCell<String>>,
  17 }
  18
  19 // triggers lint
  20 fn func_bad1(_: Rc<String>) {}
  21 fn func_bad2(_: Rc<PathBuf>) {}
  22 fn func_bad3(_: Rc<Vec<u8>>) {}
  23 fn func_bad4(_: Rc<OsString>) {}
  24 // does not trigger lint
  25 fn func_good1(_: Rc<RefCell<String>>) {}
  26
  27 fn main() {}