List .. List -- rectangular sequences of consecutive lists and sequences

• Operator: ..

• Usage:

  s .. t

• Inputs:
  • s, a list
  • t, a list
• Outputs:
  • a sequence, the rectangular sequence of consecutive lists of the same length, from s to t, in lexicographic order, inclusive, obtained by applying the operator .. recursively

i1 : {a,1} .. {c,3}

o1 = ({a, 1}, {a, 2}, {a, 3}, {b, 1}, {b, 2}, {b, 3}, {c, 1}, {c, 2}, {c, 3})

o1 : Sequence

i2 : {1} .. {4}

o2 = ({1}, {2}, {3}, {4})

o2 : Sequence