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new preference war just dropped (i.redd.it)

submitted 5 months ago by [email protected] to c/programmer_humor

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geteilt von: https://lemmit.online/post/3018791

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/ProgrammerHumor by /u/polytopelover on 2024-05-26 21:23:20+00:00.

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[–] alexdeathway 201 points 5 months ago* (last edited 5 months ago) (14 children)

First one are method name, second one are status name.


def open_file_dialog(self):
       self.dialog_file_open = True
       pass

Yoda level preference war.

[–] [email protected] 101 points 5 months ago (11 children)

I tend to add is to booleans toreally differentiate between a method name and a status.

def open_file_dialog(self):
    self.dialog_file_is_open = True
    pass

That way, it's easier for my dumb brain to spot which is which at a glance.

[–] fourwd 18 points 5 months ago (2 children)

In Elixir, we mark statuses by using a question mark at the end of the variable name. Something like this:

authorized? = user |> get_something() |> ensure_authorized?()

I like this better than the is_ prefix

[–] alexdeathway 9 points 5 months ago* (last edited 5 months ago) (1 children)

does '?' have type definition in elixir or this is generally agreed design pattern?

[–] [email protected] 8 points 5 months ago

If it's like Lisp, then ? is just part of the symbol and doesn't have any special syntatic meaning. In different Lisps it's also convention to end predicate names with a ? or with P (p for predicate)

[–] [email protected] 4 points 5 months ago (1 children)

jealously weeps in ruby

[–] [email protected] 2 points 5 months ago (1 children)

We do this in Ruby all the time, we just prefer methods over variables, usually.

def authorized?
  current_user&.authorized?
end

[–] [email protected] 2 points 5 months ago

I'm a principal backend engineer routinely writing Ruby for my day job, so I'm familiar, lol. But you can't do it for local variables and that just sucks. Definitely a +1 for Elixir.

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