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30 lines
966 B
Rust
30 lines
966 B
Rust
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// no-prefer-dynamic
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#![crate_type = "proc-macro"]
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extern crate proc_macro;
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use proc_macro::*;
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#[proc_macro]
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pub fn single_quote_alone(_: TokenStream) -> TokenStream {
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// `&'a u8`, but the `'` token is not joint
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let trees: Vec<TokenTree> = vec![
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Punct::new('&', Spacing::Alone).into(),
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Punct::new('\'', Spacing::Alone).into(),
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Ident::new("a", Span::call_site()).into(),
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Ident::new("u8", Span::call_site()).into(),
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];
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trees.into_iter().collect()
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}
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