Hi all, İ started to learn elixir so that i am new for functional programing. I wonder one thing. Elixir does immutable everything. But I try some examples. def boxes(total) do size_50 = div(total, 50) total = rem(total, 50) {“big: #{size_50} total: #{total}”} end I created named function a…

Hello and welcome, You cannot really change the variable, but You can rebind it. It’s an Elixir compromise, that You won’t find in Erlang. Under the hood it’s doing total_0, total_1, total_2 etc. Please don’t forget to wrap your code with ``` to make it more readable, as in markdown …

[image] Iterating over a list with a certain condition (sorry, I am very new to functional programming) Questions Welcome to the world of Elixir! Without answering your question directly, I see where you are coming from. So let’s take a step back and explain im…

You change the contents of the variable. The variable name is just an alias for the new contents.

Thnak you. i will be more careful with ´´´ after now

It is backtick ```, not ´´´ :slight_smile:

I really have to be more careful :slight_smile:

Yes, I think the easiest way to understand is that an Elixir variable is just a reference to the data and not the data itself. C programmers can see it as a pointer to the data not the data itself. :wink: So when you do x = {1, 2} and then x = {:a, :b} you are first referring the variable x to t…

Immutable variable isnt immutable

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BartOtten March 29, 2021, 11:31am 3