kyleheadley

/// Higher-order macro fold function for pre-parsing comma separated lists
///
/// The commas on KEYWORD lines can be changed to parse lists with any
/// separator. 

/// run a macro on a list of lists after splitting the input at commas
macro_rules! split_comma {
    // no defaults
    {$fun:ident <= $($item:tt)*} => {
        split_comma![$fun () () () <= $($item)*]