macro_rules! impl_parse_to {
() => { ... };
($field:ident : $field_type:ty, $parser:ident) => { ... };
($field:ident => [$($arr:tt)+], $parser:ident) => { ... };
([$($arr:tt)+], $parser:ident) => { ... };
}
macro_rules! impl_parse_to {
() => { ... };
($field:ident : $field_type:ty, $parser:ident) => { ... };
($field:ident => [$($arr:tt)+], $parser:ident) => { ... };
([$($arr:tt)+], $parser:ident) => { ... };
}