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I’m working on a macro to support automatic timing for functions.
If I have this - say:
def double(x) do
x + x
end
I would like to b...
New
I am trying to understand why transitive compile-time dependency is there, and what’s a good strategy to remove it. The mix app for examp...
New
I have a problem, where i have a macro the calls another function. I want to be able to add optional guards to my macro, and call the nes...
New
In order to only have one branch of code in a macro that defines functions with support for guards, I would like to always have a guard. ...
New
I’m trying to unquote multiple blocks of code dynamically depending on the include option passed when use is called. When I try to map ov...
New
I’m writing module that will accept a function name and arguments looking like foo(bar, baz) - as Kernel.def/2 does but without a body, a...
New
Trending Over Three Years
I’m trying to use one macro inside another macro and running into issues:
defmodule Test do
defmacro somemacro(arg1, do: block) do
...
New
Background
So, I am playing around with a concept named “NewType” and I am taking inspiration from languages like F# and Scala.
My objec...
New
Hello all,
I’m recently doing something similar to ExUnit, keeping a bunch of variables on “setup” block and then pass it to the next bl...
New
Hey,
I’m currently trying to DRY up some tests which have a lot of boilerplate code in the form of:
test "user is updated", %{user_id: ...
New
Is it possible to generate the module name as an atom within a macro?
defmodule MyProject.Schema do
defmacro __using__(opts) do
qu...
New
I’m trying to understand how macros and module definitions interact with each others and I’m having few cases which I don’t understand. T...
New
Consider the following simple example:
defmodule Test.Foo do
defmacro foo(regex) do
IO.inspect(regex)
end
end
defmodule Test do...
New
Hi, for practicing I wanted to create a custom CRUD function which is using Repo. But on the way I have some problems with basic.
Proble...
New
I’m not very used to macros/compile time manipulation, but I will explain what I want to achieve and would like to know if it’s possible ...
New
Hello, Based on typed_struct/lib/typed_struct.ex at main · ejpcmac/typed_struct · GitHub , I am practicing to learn more about macro in e...
New
Hello, I try to create a custom macro to implement some functions and structure I need in my project and my goal is to make a custom tool...
New
Hi all,
I’m trying to solve a practical problem - make an ExUnit “data case” with async true as default, instead of false.
So if a user...
New
Is there a way to create a macro called required that could be used like this:
with required(var) <- Map.get(map, key) do
var
else
...
New
Hello!
I’m working with macros and I am trying to inject some code into a use macro to be used “as-is” but I’m having some trouble makin...
New
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