// run-rustfix #![deny(clippy::internal)] #![allow(clippy::missing_clippy_version_attribute)] #![feature(rustc_private)] extern crate rustc_span; use rustc_span::symbol::Symbol; macro_rules! sym { ($tt:tt) => { rustc_span::symbol::Symbol::intern(stringify!($tt)) }; } fn main() { // Direct use of Symbol::intern let _ = Symbol::intern("f32"); // Using a sym macro let _ = sym!(f32); // Correct suggestion when symbol isn't stringified constant name let _ = Symbol::intern("proc-macro"); // interning a keyword let _ = Symbol::intern("self"); // Interning a symbol that is not defined let _ = Symbol::intern("xyz123"); let _ = sym!(xyz123); // Using a different `intern` function let _ = intern("f32"); } fn intern(_: &str) {}