Macro fungi_lang::parse_fgi_earrow

macro_rules! parse_fgi_earrow {
    { ($e:tt $($c:tt)+) } => { ... };
    { ($e:tt $($a:tt)+)($($c:tt)+) $($more:tt)* } => { ... };
    { $($any:tt)* } => { ... };
}

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