Code Explainers

Code explainers tagged #method_missing

ruby 
require "erb"
 
class TemplateRenderer
  class MissingVariableError < StandardError; end

A safe ERB template renderer in Ruby

metaprogramming method_missing binding
Intermediate 10 steps
ruby 
class QueryProxy
  ALLOWED = %i[where limit offset order includes distinct].freeze
 
  def initialize(relation, operations = [])

Building a lazy query proxy in Ruby

metaprogramming method_missing lazy-evaluation
Advanced 7 steps