[Python-3000] Octal (original) (raw)
Tim Peters tim.peters at gmail.com
Thu Mar 15 21:26:29 CET 2007
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[Guido]
Something got lost there in a last-minute edit. I meant to say:
My main interest is that we should move away from just leading zero as octal; that we should disallow leading zero altogether because of the confusion it would cause for folks coming from other languagesl and that we should avoid the swamp that is generalized numeric bases. I'm neutral about the choice between 0o, 0c or 0t.
While I like the goal, I'd prefer not to be cryptically clever. How about restricting the base in Icon's clean syntax to one of {2, 4, 8, 16}? Here's 10 in those four bases:
2r1010
4r22
8r12
16ra (or) 16rA"r" is mnemonic for "radix" in this context.
The Ada syntax is similarly clean, but has both a leading & trailing "bracket" character. IIRC, that's because Ada wants to support embedded whitespace in numeric literals.
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