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SaC or SAC (Single Assignment C) is a statically typed functional programming language developed with the goal of offering high-performance array programming through a compiler with C or FORTRAN-like syntax. Like APL, all data is contained in (possibly scalar) arrays. Arrays are considered equivalent to nested lists as in leading axis theory but, because these lists must have homogeneous length and type, true array nesting is not possible. The authors have used SaC to compile APL programs and found it to be faster than APL+Win on several test programs.[1]


  1. Clemens Grelck and Sven-Bodo Scholz. Accelerating APL programs with SAC at APL99.

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APL dialects [edit]
Maintained APL+Win (APL*PLUS) ∙ APL2APL64APL\ivAprilCo-dfnsDyalog APLdzaima/APLExtended Dyalog APLGNU APLNARS2000ngn/apl
Historical Iverson notationA Programming LanguageA+ (A) ∙ APL#APL.68000APL.SVAPLXAPL\1130APL\3000APL\360APL/700NARSopenAPLRowanSAXSHARP APLVisualAPL (APLNext) ∙ VS APLYork APL
Derivatives AHPLAPL\ivBQNELIIIvyJJellyK (Q, KDB+) ∙ NialRAD