rust/tests/ui/rc_buffer.rs

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Rust
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#![warn(clippy::rc_buffer)]
use std::cell::RefCell;
use std::ffi::OsString;
use std::path::PathBuf;
use std::rc::Rc;
struct S {
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// triggers lint
bad1: Rc<String>,
bad2: Rc<PathBuf>,
bad3: Rc<Vec<u8>>,
bad4: Rc<OsString>,
// does not trigger lint
good1: Rc<RefCell<String>>,
}
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// triggers lint
fn func_bad1(_: Rc<String>) {}
fn func_bad2(_: Rc<PathBuf>) {}
fn func_bad3(_: Rc<Vec<u8>>) {}
fn func_bad4(_: Rc<OsString>) {}
// does not trigger lint
fn func_good1(_: Rc<RefCell<String>>) {}
fn main() {}