On Wed, Oct 23, 2019 at 10:59 AM Steven D'Aprano <st...@pearwood.info>
wrote:
> On Wed, Oct 23, 2019 at 10:09:41AM -0400, David Mertz wrote:
>
> > One big problem with the current obvious way would be shared by the
> > proposal. This hits me fairly often.
> >
> > colors1 = "red green blue".split() # happy
> >
> > Later
> >
> > colors2 = "cyan forest green burnt umber".split()
> > # oops, not what I wanted, quote each separately
>
> It isn't shared by the proposal.
>
> colors2 = %w[cyan forest green burnt\x20umber]
>
>
> Escaping the space ``\ `` might be nicer, but escaping an invisible
> character is problematic (see the problems with the explict line
> continuation character ``\``) and we may not be able to add any new
> escape characters to the language. However a hex escape will do the
> trick.
>
Compare that to:
colors2 = "cyan,forest green,burnt umber".split(',')
or, if you follow pep8-style commas:
colors2 = "cyan, forest green, burnt umber".split(', ')
This is one of the many cases where being able to specify the delimiter
helps.
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