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I’ve recently started a new Phoenix project using Elixir 1.11, Phoenix 1.5 and Ecto 3.5.
Everything runs smoothly but there is a recurre...
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Hey guys, I have some files that implement a protocol for some resources for my tests (they are only compiled when running tests:
defimp...
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I noticed that _build/dev/consolidated gets populated with beam files after executing mix compile, as part of protocol consolidation.
On...
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I have a protocol that is used on Ecto Schemas. The protocol requires that two fields are defined with specific defaults.
I have come u...
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Last Three Year's Trending
I got the error mentioned in the title while running the following code. The weird part is I did get the response I expected but with thi...
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I stumbled across the desire to want to use get_in while accessing deeply nested parts of a custom struct while needing to provide a defa...
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I don’t think the following is possible, but going to ask for possible solutions.
I have the implementation of a Protocol with 5+ functi...
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I’m trying to write a Table.Reader implementation for Snap.SearchResponse from the snap library (GitHub - breakroom/snap: An Elasticsearc...
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I am trying to provide a way to create something like inheritance.
i want to be able to call a a function on a Module that inherits the ...
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Hello!
I am writing an application that translates JSON messages to SOAP messages. Currently I am handling 16 JSON messages and 20 SOAP ...
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I’m not sure if this is the way things are intended to be, but I’ve noticed that the following modules (in a new mix project using erlang...
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Is there a guard for testing protocol implementation?
is_proto/2
For example, how to guard test for implementing Enumerable?
I underst...
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If you paste the whole code from
defimpl Inspect, for: Map do
# ...
end
into an Elixir shell, you will get “undefined function color/3”...
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Trending Over Three Years
Hi,
(I also asked on Stackoverflow, I hope cross-posting is ok.)
I expected it to be documented in Module, probably with references to ...
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Given:
market_data =
[
%{
asset: "3QvxP6YFBKpWJSMAfYtL8Niv8KmmKsnpb9uQwQpg8QN2",
last_price: 0.1249534,
priced_in: "WAVES...
New
In General if the Enum.all? evaluates true that means all the elements in the given collection evaluates true for the given callback func...
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I am having some trouble understanding the difference between Behaviours and Protocols. This mostly is caused because the built-in Access...
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I use protocols in my project. When I run mix dialyzer, it returns list of not implemented protocols in Unknown functions: section.
e.g....
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I'm trying to write two independent libraries with the same API. I thought I would achieve it with Protocols. I have already reviewed imp...
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I recently learned that it's possible to delegate common implementations of protocols using defdelegate in the implementations, but I'm c...
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As you know, Elixir protocols dispatch to the particular implementation based on the first argument passed to their functions.
For many ...
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In my current project (first elixir project) I have different messages each represented by its own struct which defines the unique view o...
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Hi, I’m contemplating writing an admin library, similar to Kaffy and LiveAdmin, but filling a few gaps found while using Kaffy. For that ...
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Hi,
I'm currently working on a final project/thesis for my CompSci course at the University of Cambridge. I have used Elixir for about ...
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Hello,
I want to have a protocol with 3 methods with 2 optional having the following logic:
defprotocol MyRepo.Render do
@fallback_to...
New
Apologies if this question has already been asked.
As I understand it, the way to translate a concept similar to use of abstract classe...
New
I’m somewhat new to Elixir. I have a Phoenix project and I need my endpoints to always return DateTime, even when NaiveDateTime fields ar...
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I am working on creating protocols, behaviours and implementations for multiple kinds of containers. (See Implement Containers for more i...
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