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Questions & Help>Questions

Calling function from within same module it's declared is undefined/is not available

Redoing this to be more clear: Question How can I call a function inside a module? File: test.exs defmodule MyModule do def sum(a,...

#functions#modules#help#basics

2 2564 10

2023-03-01 16:17:08 UTC

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Questions & Help>Questions

Using Enum or Stream to pass through first n elements and map the rest

I’m used to Rust where iterators have a ton of handy functions. What I’d like to do is equivalent to the following Rust code: my_iterato...

#basics

5 2554 5

2020-11-01 16:48:31 UTC

New

Questions & Help>Questions

Adding new function to model module: Undefined function: Expected MyModule to define such a function or for it to be imported, but none are available

I’ve use the generators to create a project. Inside the project schema when I add a new function to the others that exist I get an error....

#function

2 2138 4

2023-03-03 17:06:27 UTC

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Questions & Help>Questions

How to check if result of division is a whole number?

Howdy :slight_smile: How do I check if a result of a division is a whole number? For example: 2 / 1 = 1 (A whole number). Or another e...

#basics

8 1867 1

2020-02-27 23:15:56 UTC

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Questions & Help>Questions

How are functions scoped within ExUnit describe blocks?

Hi, I was wondering if anyone could help clarify something for me. This is more due to my lack of understanding than anything else. Sup...

#exunit#basics

4 1199 4

2023-05-04 12:38:28 UTC

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Questions & Help>Questions

Enum.drop_every - make it make sense

So Enum.drop makes perfect sense to me - it drops the element at the exact position I think it should and returns a list. Enum.drop_ever...

#enum#basics

6 933 5

2022-08-11 17:32:33 UTC

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Questions & Help>Questions

Handling different Joken error messages with json()

Hi all, A beginner here. I have the following plug code from an example Auth0 repo: def call(conn, _default) do with {:ok, token} ...

#design-patterns

1 731 5

2023-02-08 22:14:06 UTC

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Questions & Help>Questions

How to use conditional inside Enum iterator - error:cannot invoke remote function Kernel.elem/2 inside a match

When first or last item in list is found, do something. Even simply trying to check for this fails with error. How can I do it? Below is...

#learning-elixir#basics

3 403 5

2023-02-27 23:30:48 UTC

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