macro_rules! impl_fmt_display {
() => { ... };
($field:ident, $v:ident, $self:ident) => { ... };
($field:ident => [$($arr:tt)+], $v:ident, $self:ident) => { ... };
([$($arr:tt)+], $v:ident) => { ... };
}
macro_rules! impl_fmt_display {
() => { ... };
($field:ident, $v:ident, $self:ident) => { ... };
($field:ident => [$($arr:tt)+], $v:ident, $self:ident) => { ... };
([$($arr:tt)+], $v:ident) => { ... };
}