FL

Function Level.

John Backus's successor to {FP}, developed ca. 1985. FL is

{dynamically typed} and adds {higher-order function}s,

{exception}s, {user-defined type}s and other features.

["FL Language Manual, Parts 1 & 2", J. Backus et al, IBM

Research Report RJ 7100 (1989)].

(1994-10-20)