> Consequently, the Y combinator is not something that needs to concern a competent programmer, who will of course be using strong types ;-) A competent progra

> Consequently, the Y combinator is not something that needs to concern a competent programmer, who will of course be using strong types ;-) A competent programmer selects their tools based on multiple metrics, which can include meta metrics like popularity (size of hiring pool) as well as external constraints such as a predetermined platform or interoperability with an existing system.