|(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
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)].