Re: Re: Supporting Binary Notation for Integers

Am 12.11.2010 um 09:22 schrieb Stan Vass: > With regards to parsing numeric strings, only decimal is supported, and in some cases > (unfortunately) hexadecimal, like your comparing example. But octal is not supported in strings, and > neither should binary. > > 0xF == 15 // true > '0xF' == 15 // true > 010 == 8 // true > '010' == 8 // false You're right. (Side-note: '010' == 10 // true, i.e. is is parsed as a decimal number) > It should be a important consideration that numeric string parsing isn't affected by this > patch, and things will be fine. If neither '0b1' == 1 nor is_numeric('0b1') is true after this patch then I see no problem. Sorry for not trying the patch first and assuming that it would be similar to the other formats. > In fact it should be a separate discussion whether hex should work in strings at all. It's > very counterproductive when parsing user input. While you might be right this cannot be changed now as it would break compatibility without big benefit. - Chris