[Python-ideas] Thoughts on lambda expressions
M.-A. Lemburg
mal at egenix.com
Wed Mar 2 18:07:06 EST 2016
On 02.03.2016 21:01, Abe Dillon wrote:
> I'm new here, but I know that lambda expression syntax has probably been
> discussed to oblivion. I have searched previous posts without finding
> anything exactly like my idea so here it is:
>
> # instead of this
> hand = sorted(cards, key=lambda card: card.suit) # sort some iterable of
> cards by suit
>
> # do this
> hand = sorted(cards, key=(card.suit from card)) # sort some iterable of
> cards by suit
> # |<= you can stop reading here and still
> have a good sense of what the code does
Why not this ?
import operator
hand = sorted(cards, key=operator.attrgetter('suit'))
# For the curious:
# https://docs.python.org/3.5/library/operator.html#operator.attrgetter
--
Marc-Andre Lemburg
eGenix.com
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