mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-04 05:57:36 +00:00
17 lines
506 B
Rust
17 lines
506 B
Rust
![]() |
//@ edition:2021
|
||
|
|
||
|
extern crate proc_macro;
|
||
|
|
||
|
use proc_macro::TokenStream;
|
||
|
use std::str::FromStr;
|
||
|
|
||
|
#[proc_macro]
|
||
|
pub fn number_of_tokens_in_a_guarded_string_literal(_: TokenStream) -> TokenStream {
|
||
|
TokenStream::from_str("#\"abc\"#").unwrap().into_iter().count().to_string().parse().unwrap()
|
||
|
}
|
||
|
|
||
|
#[proc_macro]
|
||
|
pub fn number_of_tokens_in_a_guarded_unterminated_string_literal(_: TokenStream) -> TokenStream {
|
||
|
TokenStream::from_str("#\"abc\"").unwrap().into_iter().count().to_string().parse().unwrap()
|
||
|
}
|