Macro sql_delimiter

macro_rules! sql_delimiter {
    {
        $(#[$struct_meta:meta])*
        $vis:vis struct $ident:ident $(<
            $($lt:lifetime,)*
            $($generic:ident $(: $($generic_bound:tt)+)?),*
            $(,)?
        >)? {
            $(
                $(#[$field_meta:meta])*
                $field_vis:vis $field_ident:ident: $field_ty:ty
            ),* $(,)?
        }

        $apply_filter:ident ($apply_self:ident, $builder:ident) $apply_block:block
        $should_apply_filter:ident($should_self:ident) $should_apply_block:block
        $(where $($where_clause:tt)+)?
    } => { ... };
}