Macro fungi_lang::parse_fgi_split

macro_rules! parse_fgi_split {
    { $v:tt $e:tt ($x1:ident)($x2:ident) } => { ... };
    { $v:tt $e:tt ($x1:ident)($x2:ident) $($more:tt)+ } => { ... };
    { $($any:tt)* } => { ... };
}

this macro is a helper for fgi_exp, not for external use