Dynamic Method Definitions | Tenderlove Making
TL;DR: depending on your app, using define_method is faster on boot, consumes less memory, and probably doesn’t significantly impact performance. Throughout the Rails code base, I typically see dynamic methods defined using class_eval. What I mean by “dynamic methods” is methods with names or bodies that are calculated at runtime, then defined. For example, something like this: class Foo class_eva
The Elixir programming language
All Elixir code runs inside lightweight threads of execution (called processes) that are isolated and exchange information via messages: current_process = self() # Spawn an Elixir process (not an operating system one!) spawn_link(fn -> send(current_process, {:msg, "hello world"}) end) # Block until the message is received receive do {:msg, contents} -> IO.puts(contents) end Due to their lightweigh
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Metaprogramming Elixir: think about quote and unquote from viewpoint of context
Metaprogramming Without Macros
José Valimさんのツイート: "Elixir also has method missing: https://github.com/josevalim/elixir/blob/master/lib/object.ex#L222 #euruko"
