or-type
or-typeftd supports or-type, which is loosely equivalent of enum in Rust, and is otherwise known as “algebraic data type”.Declaring an or-typeSay we have a sales business and we are going to get “leads”, and a lead can be
either an individual or a company. In case of individuals we have fields like
their name, and phone number. For a company we have company name and the name of
contact and the fax number of the company.
An or-type can be created like this:
Declaring an
or-typeSay we have a sales business and we are going to get “leads”, and a lead can be either an individual or a company. In case of individuals we have fields like their name, and phone number. For a company we have company name and the name of contact and the fax number of the company.
An or-type can be created like this: