Single ASsignment Language

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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)].

(2003-08-08)


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