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Re: [vox-tech] perl never ceases to amaze me
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Re: [vox-tech] perl never ceases to amaze me

For the record, OCaml does this too:

# string_of_float((float_of_string "3_151_592_653") +. 1.0);;
- : string = "3151592654."


On Sat, Jan 18, 2003 at 11:15:32AM -0800, Peter Jay Salzman wrote:
> perl is such a cool language.  i never knew you can represent numbers
> this way:
>    my $number = 3_151_592_653;
>    print ++$number, "\n";
> i can easily see that $number represents "three billion one hundred
> fifty one million five hundred ninety two thousand six hundred fifty
> three".  if, instead, i saw:
>    my $number = 3151592653;
>    print ++$number, "\n";
> i'd be sitting there all day trying to figure out what this number is.
> perl will balk if you use an underscore in anything other than groups of
> three, as in:
>    my $number = 3_151_592_53;
> jeez, for all the numerical stuff i do for research, i wish C had
> something like this built in!
> pete
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech

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