mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-11-04 06:56:14 +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()
 | 
						|
}
 |