Need a rust version too.

MaliciousKebab@sh.itjust.works to Programmer Humor@programming.dev – 810 points –
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Python:

from Rescues import Princess
Princess.rescue()

map(lambda princess: princess.rescue(), [castle.get_princess() for castle in castles])

Don't forget to keep your return values...

rescued_princesses = [{"princess": princess, "rescued": princess.rescue()} for princess in [castle.get_princess() for castle in castles]]