Single ASsignment Language

(language)

Single ASsignment Language - (SASL) A functional programming language designed by Professor David Turner in 1976 whilst at St. Andrews University. SASL is a derivative of ISWIM with infinite data structures. It is fully lazy but weakly typed. It was designed for teaching functional programming, with very simple syntax. Example syntax: def fac n = n = 0 -> 1 ; n x fac(n-1) A version of the expert system EMYCIN has been written in SASL. SASL was originally known as "Saint Andrews Static Language". Not to be confused with SISAL. ftp://a.cs.uiuc.edu/uiuc/kamin.distr/distr/sasl.p. See also Kamin's interpreters. ["A New Implementation Technique for Applicative Languages", D.A. Turner, Soft Prac & Exp 8:31-49 (1979)].