<language> SASL plus conditional unification.
["A Prological Definition of HASL, A Purely Functional Language with Unification Based Conditional Binding Expressions", H. Abramson in Logic Programming: Functions, Relations and Equations, D. DeGroot et al eds, P-H 1986].
(1996-08-21)
Try this search on Wikipedia, OneLook, Google
Nearby terms: Haskell B « Haskell Curry « Haskell User's Gofer System « HASL » HASP » has the X nature » hat