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rust-clippy/tests/ui-internal/interning_defined_symbol.rs

36 lines
752 B
Rust

// run-rustfix
#![deny(clippy::internal)]
#![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) {}