Code Explainers

Code explainers tagged #struct

ruby 
class UserAgentParser
  BROWSERS = [
    [/Edg\/([\d.]+)/, "Edge"],
    [/OPR\/([\d.]+)/, "Opera"],

Parsing user-agent strings in Ruby

regex pattern-matching lookup-tables
Intermediate 8 steps
ruby 
class ActivityFeed
  include Enumerable
 
  Entry = Struct.new(:record, :type, :occurred_at, keyword_init: true) do

Building a paginated activity feed in Rails

enumerable pagination composition
Intermediate 9 steps
ruby 
class WeatherLookup
  Result = Struct.new(:temperature, :conditions, keyword_init: true)
 
  class TimeoutError < StandardError; end

A resilient weather API service object in Rails

service-object http-client error-handling
Intermediate 7 steps
ruby 
class HashDiff
  Change = Struct.new(:from, :to)
 
  def self.call(before, after)

Diffing two hashes in Ruby

set-operations struct enumerable
Intermediate 7 steps