[Python-Dev] Symmetry arguments for API expansion
Larry Hastings
larry at hastings.org
Tue Mar 13 04:35:25 EDT 2018
On 03/12/2018 08:41 PM, Guido van Rossum wrote:
> If you force me to choose between allowing hex(3.14) or 42.hex() I'll
> choose the latter
I assume you meant (42).hex() here. If you're also interested in
changing the language to permit 42.hex(), well, color me shocked :D
(For those who haven't seen this before: it's a well-known gotcha. When
Python's grammar sees "42.hex()", it thinks "42." is the start of a
floating-point constant. But "42.hex" isn't a valid floating-point
constant, so it throws a SyntaxError.)
//arry/
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