Macro join_impl::define_tokens_checker
source · macro_rules! define_tokens_checker { ($token1: expr, $token2:expr, $token3:expr) => { ... }; ($token1: expr, $token2:expr) => { ... }; ($token: expr) => { ... }; ($($token: expr),+) => { ... }; }
Expand description
Creates function which checks if ParseStream
next values are provided tokens.