fidil

from The Free On-line Dictionary of Computing (8 July 2008)

FIDIL

   Based on "maps", generalised arrays whose index sets
   ("domains") are arbitrary D-dimensional sets.  Domains are
   first-class objects and may be constructed by union,
   intersection, etc.

   ["Fidil: A Language for Scientific Programming",
   P.N. Hilfinger et al, TR UCRL-98057, LLNL Jan 1988].