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0 pointspcwalton9y ago0 comments

> The Go standard library is full of things that do exactly what you want them to, whereas in other languages you have to manually do it yourself.

Sorting a slice is a pretty obvious counterexample.

0 comments

twic9y ago

Or checking for the presence of an item in a slice. Because Go doesn't supply sets, or allow you to write them yourself, this is something i find myself needing to do a lot, and every time, i'm writing that idiotic function from scratch.

bpicolo9y ago

Dang, just like PHP (no built in set)

gravypod9y ago

And yet there is a generic in array function.

mappu9y ago

...which is O(n). Unless the set is trivially small, better to coerce your data to key types and use array_key_exists().

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IshKebab9y ago

You can use map[X]bool as a set. Not ideal I agree, but it works ok.

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