Definition

A term used in mathematics and computer science to describe an entity that maps between categories or performs a specific operation.

Example

In functional programming, a functor is often used to apply a function to values within a context.

Conversation

Have you ever heard of a functor?

Yeah, I think it's something that performs a function, right?

Exactly! It's used a lot in programming, especially with functional languages.

That makes sense. It's fascinating how these concepts connect.

Synonyms & Antonyms

Root Explanation

Functor → The word is derived from the Latin root "functus" (meaning to perform or execute) combined with the suffix "-or" (indicating an agent or something that performs an action). A functor is something that performs a function or action, particularly in the context of mathematics and computer science.

Memory Tip

Think of 'functus' meaning to 'perform' — a functor is something that performs a specific function.

Visually Confused Words