Function join_impl::expr_chain::utils::parse_until

pub fn parse_until<'a, T: Parse>(
    input: ParseStream, 
    group_determiners: impl Iterator<Item = &'a GroupDeterminer> + Clone, 
    deferred_determiner: &'a GroupDeterminer, 
    wrap_determiner: &'a GroupDeterminer, 
    allow_empty_parsed: bool
) -> UnitResult<T>

Parses input ParseStream until one of provided GroupDeterminer's check will be valid or it reaches end.