On Wednesday, October 5, 2016 at 11:34:31 AM UTC+5:30, Gregory Ewing wrote: > Steve D'Aprano wrote: > > > And (shamelessly using Python syntax) if I have a function: > > > > def spam(x): > > print(x) > > print(x+1) > > > > spam(time.sleep(60) or 1) > > You can't write that in Haskell, because Haskell's > equivalent of print() is not a function (or at least > it's not a function that ever returns), and neither > is sleep().
Its ironical: - Function in Fortran was meant to emulate math-functions - C took the same thing and did a ‘small little syntax elision’ viz conflating function and subprogram (procedure in Pascal speak) all under the heading of function. In Pascal it was certainly a publicised intent to sharply distinguish functions — no side-effects — from procedures — no return value. - Finally this abuse of notation (and notions) has become such a norm (normal!) that people are surprised to find non-abusive languages! -- https://mail.python.org/mailman/listinfo/python-list
