I find the proposed syntax worse than the existing square brackets. The way the NumPy does a repr of an array is a good model of clarity, and it's correct current Python (except for larger arrays where visual ellipses are used).
On Oct 20, 2016 12:01 AM, "Greg Ewing" <greg.ew...@canterbury.ac.nz> wrote: > Matt Gilson wrote: > >> I think that it was mentioned that it might be possible for a user to >> _register_ a callable that would then be used when this syntax was envoked >> -- But having a global setting like that leads to contention. >> > > I think for that to fly it would have to be a per-module > thing. Then each module using the syntax would be able > to choose the meaning of it. > > A simple way to do this would be for the compiler to > translate it into something like > > __array__([[[ ... ]]]) > > and then you would just define __array__ appropriately, > e.g. > > from numpy import array as __array__ > > Personally I'm not very enthusiastic about the whole > thing, though. I don't find the new syntax to be much of > an improvement, if any. Certainly nowhere near enough > to be worth adding syntax. > > -- > Greg > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ >
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