{"version":"1.0","type":"link","title":"Type variance - Newikis","description":"In computer programming, type variance is the relationship between subtypes of a composite type (e.g. List[Int]) and the subtypes of its components (e.g. Int). A language's chosen variance determines the relationship between, for example, a list of Cats and a list of Animals, or a function…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}