1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
use crate::parse::{ParseBuffer, ParseStream};
use proc_macro2::TokenStream;
use std::iter;
pub fn between<'a>(begin: ParseBuffer<'a>, end: ParseStream<'a>) -> TokenStream {
let end = end.cursor();
let mut cursor = begin.cursor();
let mut tokens = TokenStream::new();
while cursor != end {
let (tt, next) = cursor.token_tree().unwrap();
tokens.extend(iter::once(tt));
cursor = next;
}
tokens
}