On Thu, Jan 29, 2009 at 6:12 AM, Ben North <b...@redfrontdoor.org> wrote:
> Hi,
>
> I find 'functools.partial' useful, but occasionally I'm unable to use it
> because it lacks a 'from the right' version. E.g., to create a function
> which splits a string on commas, you can't say
>
> # Won't work when called:
> split_comma = partial(str.split, sep = ',')
[snip]
> I've created a patch which adds a 'partial_right' function. The two
> examples above:
>
> >>> import functools, math
>
> >>> split_comma = functools.partial_right(str.split, ',')
> >>> split_comma('a,b,c')
> ['a', 'b', 'c']
>
> >>> log_10 = functools.partial_right(math.log, 10.0)
> >>> log_10(100.0)
> 2.0
Can you point to real code that this makes more readable?
Collin
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