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Just wondering since the knowledge cutoff for LLMs is about a year or so behind the current date.
It would be nice if the models were ab...
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Last Three Year's Trending
How can I pattern match against an arbitrary sized tuple? This works:
{status, _, _} = {:ok, 1, 2}
But what if I don’t know the structu...
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The question in the subject line is pretty self-explanatory, and I’m trying to understand perhaps a hidden misunderstanding. My understan...
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If I have nested structures, and I want to fetch a field from the a nested structure, but handle a nil case, is there a succinct way to d...
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Hi! I’m working in a liveview and want to fill attributes such as id, for label and title with a value from a for-loop.
<ul>
...
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This is highly subjective but in my mind Haskell and Ruby/Rust has one of the most beautiful lambda syntax
\a b → a + b
and
|a, b| a +...
New
Hi :person_raising_hand: so, the Regex module supports named captures. Here’s an example from the docs for named_captures/3, which extrac...
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In the latest versions. For the definitions of the functions as well as for calls.
What’s recommended?
New
Hello,
I am wondering why it is not needed to unquote with defmodule when using variables that are defined outside of the call to defmod...
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Trending Over Three Years
def fun(options) do
[parameter1: parameter1, parameter2: parameter2] = Enum.into(options, parameter1: 1, parameter2: 2)
Is there an ...
New
I’ve seen -> and <- used in Elixir books and articles, but I have not found a clear explanation to what they are called, and when t...
New
I have seen the pattern %_{} being used to match against structs (notice the _ after the %).
Is this documented somewhere? It seems to m...
New
Hello! Elixir's syntax is pretty and expressive, but at the same time this comes on the cost of knowing just what the best way to write s...
New
Hello, friends!
Context:
As you might know from this thread, I’m working on a presentation.
Following a tour of Erlang history, I have...
New
For example the following,
iex(16)> cond do
...(16)> 2 + 2 == 5 ->
...(16)> "Not true"
...(16)> 2 * 2 == 3 ->
...(...
New
I think that this is called a function reference but I’m not sure.
Anyway, this works:
def start_link(_arg) do
Task.start_link(&c...
New
In the source code I find this pattern repeated over and over.
As an example, in the elixir-1.5.3/lib/elixir/lib/enum.ex I find:
@sp...
New
I was wondering what Elixir developers think about this: how to treat piping into an ok_tuple? I have no idea if there was a similar ques...
New
I’m wondering exactly what a do block is.
Is it a closure? Is it a procedure? Is it an anonymous function? Is it a lambda? Is it som...
New
In Elixir Succinctly I read:
Since everything in Elixir is an expression, and if is no exception, the if…else construct returns a value...
New
Hi all. I was searching for ways to determine whether or not an Ecto query results in (a) result(s) without requiring the database to sel...
New
Here’s a screenshot of part of the Range API:
What does the Types section communicate?
To whom is it useful?
What is this syntax … I...
New
I don't understand how the capture syntax in the following expression is aware of how to use arguments without specifying &1 and &...
New
Following the Adding Pages tutorial, I addded a new route, without creating the controller:
get("/hello", HelloController, :index)
An...
New
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