2020-12-13 04:32:41 +00:00
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// run-rustfix
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#![deny(clippy::internal)]
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#![feature(rustc_private)]
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extern crate rustc_span;
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use rustc_span::symbol::Symbol;
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macro_rules! sym {
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($tt:tt) => {
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rustc_span::symbol::Symbol::intern(stringify!($tt))
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};
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}
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fn main() {
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// Direct use of Symbol::intern
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2020-12-30 21:38:21 +00:00
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let _ = rustc_span::sym::f32;
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2020-12-13 04:32:41 +00:00
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// Using a sym macro
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2020-12-30 21:38:21 +00:00
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let _ = rustc_span::sym::f32;
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2020-12-13 04:32:41 +00:00
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// Correct suggestion when symbol isn't stringified constant name
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2020-12-30 21:38:21 +00:00
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let _ = rustc_span::sym::proc_dash_macro;
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2020-12-13 04:32:41 +00:00
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2020-12-29 21:40:55 +00:00
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// interning a keyword
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let _ = rustc_span::symbol::kw::SelfLower;
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2020-12-13 04:32:41 +00:00
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// Interning a symbol that is not defined
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let _ = Symbol::intern("xyz123");
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let _ = sym!(xyz123);
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// Using a different `intern` function
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let _ = intern("f32");
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}
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fn intern(_: &str) {}
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