Glossary

Unless otherwise specified, all the source is from Wikipedia.
F
First-class citizen
A first-class citizen in a given programming language is an entity which supports all the operations generally available to other entities. These operations typically include being passed as an argument, returned from a function, and assigned to a variable.
First-class function
A programming language is said to have first-class functions if it treats functions as first-class citizen.
First-order function
Refer to higher-order function.
H
Higher-order function
A higher-order function is a function that takes functions as parameters, or returns a function. All other functions are first-order functions.

Last modified 1yr ago