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What is your favorite Python syntactic sugar? (beehaw.org)

submitted 1 year ago by [email protected] to c/[email protected]

7 comments fedilink hide all child comments

The thing I love about python is it's elegance; and I thing that is partially due to its syntactic sugar. Between list comprehensions, destructuring, enumerators, generators with yield, and a bunch more, what is your favorite

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[–] [email protected] 2 points 1 year ago (2 children)

Generators probably. It's the one thing i genuinely miss about python when i work in rust.

[–] [email protected] 1 points 1 year ago

You're right. Having just yield sth in a function instead of defining the data structure is such a game changer.

[–] [email protected] 0 points 1 year ago (1 children)

impl Iterator for YourType ?

[–] [email protected] 2 points 1 year ago (1 children)

That's not quite the same as a generator. Iterators require explicit returns to yield control, and this involves dropping the entire stack frame.

True generators allow one to yield, which pauses the function and allows it to be resumed. The most similar thing to this in Rust is an async block/fn, but there is ongoing effort to generalize this so you could create an iterator from a generator.

[–] [email protected] 1 points 1 year ago

cool!

[–] [email protected] 1 points 1 year ago

Yeah, I'm just learning about decorators in classes, and they're super cool!

[–] [email protected] 1 points 1 year ago

Decorators are one of most useful features I'm using most frequently.