[TUHS] Array index history
lyndon at orthanc.ca
Thu Jun 8 02:31:56 AEST 2017
> Basically, until C came along, the standard practice was for indices
> to start at 1. Certainly Fortran and Pascal did it that way. I suspect
> that all the Algol family languages did too, but I only did a little
> Algol W programming in colledge and that was long ago. I think Cobol also.
APL (excepting some early implementations) lets you set the "index origin"
to either 0 or 1, either by assigning a value to the quad-IO system
variable, or through the ')ORIGIN' command (varies with the
Changing quad-IO inside a function at runtime was a trick used to inflict
endless terror on many a first-year undergrad ;-)
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