Re: [gobo-eiffel-develop] Usage of INTEGER_64

[Colin P. A. <co...@co...>]

>>>>> "Eric" == Eric Bezault <er...@go...> writes:

    Eric> For consistency with
    Eric> `is_hexadecimal' I would name the old feature `is_decimal'
    Eric> (rather than `is_decimal_digits').

OK.
And perhaps the header comment should explain that it returns True
only if every character is a decimal digit from the ASCII block of
Unicode (there are other sets of decimal digits).

    Eric> what is in ELKS for `is_integer' to see how we can apply it
    Eric> to `is_integer_64'. As far as I can see, none of those
    Eric> accepts underscores (unlike Eiffel INTEGER_64 literals).

What about leading +/-?

    >> But then we have an inconsistent story with is_integer. Can we
    >> rename this to is_decimal_digits? This will break existing
    >> clients, so we can only do that if the next Gobo release is
    >> numbered 4.0 (there is a precedent in that the upgrade from 2.0
    >> to 3.0 broke some existing clients).

    Eric> Do we need to break code now, or go to the "obsolete" stage
    Eric> before?

I guess we can define is_decimal as a duplicate of is_integer for now,
and mark is_integer as obsolete for the next release.
-- 
Colin Adams
Preston Lancashire