macro_rules! sinto_todo { ($($mod:ident)::+, $type:ident$(<$($lts:lifetime),*$(,)?>)? as $renamed:ident) => { ... }; ($($mod:ident)::+, $type:ident$(<$($lts:lifetime),*$(,)?>)?) => { ... }; }
macro_rules! sinto_todo { ($($mod:ident)::+, $type:ident$(<$($lts:lifetime),*$(,)?>)? as $renamed:ident) => { ... }; ($($mod:ident)::+, $type:ident$(<$($lts:lifetime),*$(,)?>)?) => { ... }; }