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Showing content from https://mail.python.org/pipermail/python-dev/2002-June/026004.html below:

[Python-Dev] list.extend

[Python-Dev] list.extendDavid Abrahams David Abrahams" <david.abrahams@rcn.com
Fri, 28 Jun 2002 02:05:22 -0400
From: "Tim Peters" <tim.one@comcast.net>

> Increasing accuracy isn't necessarily helpful.  In any context where
> PyInt_AsLong is called, an int most certainly is required *in the end*.
> Spelling out that the implementation may satisfy this requirement by
asking
> a non-int type whether it knows how to convert instances of itself to an
int
> doesn't seem helpful to me as a user.  I'm not thinking that much about
the
> internal implementation, and "of course" if an int is required Python
will
> accept an object of a type that knows how to convert itself to an int.

OK. Explicit is better than implicit, except when it's obvious what GvR
really meant ;-)

> But I suppose you don't like seeing
>
>     SyntaxError: invalid syntax
>
> at the end of a 7-line statement either <wink>.

I never like seeing that, but I don't know what you're getting at.

maybe-you-need-to-<wink>-harder-ly y'rs,
dave






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