File: negative-token.rs

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rustc 1.90.0%2Bdfsg1-1
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extern crate proc_macro;

use proc_macro::*;

#[proc_macro]
pub fn neg_one(_input: TokenStream) -> TokenStream {
    TokenTree::Literal(Literal::i32_suffixed(-1)).into()
}

#[proc_macro]
pub fn neg_one_float(_input: TokenStream) -> TokenStream {
    TokenTree::Literal(Literal::f32_suffixed(-1.0)).into()
}