![]() But in that case this approach shouldn't be any slower than a non-enumerator approach. The Arraymap method is a method used in Ruby programming. If you're searching for a word that only occurs on the last page of the book, you have to read the whole book to find it. Ruby’s sort method accepts a block that must return -1, 0, or 1, which it then uses to sort the values in the array. Unfortunately, lazy enumerators only speed things up if task you're trying to accomplish doesn't require that the entire file be read. This operator compares two Ruby objects and returns -1 if the object on the left is smaller, 0 if the objects are the same, and 1 if the object on the left is bigger. So you can use this trick for all of them. That means that they all have each_line, each_char and each_codepoint methods. ![]() The next step is to understand what Symboltoproc does. So we know that Ruby will see that & and try to call :methodname.toproc. Back to the previous example, we are calling map with &:methodname. This holds true for any method call, not just map. Sockets, pipes, serial ports - they're represented in Ruby using the IO class. If a method has several parameters and we want to use a parameter with the double splat operator, then it should be placed last in a list of parameters. As we passed a M圜lass instance with & to map, it tried to call toproc on it. Ruby (177) Honeybadger (79) Rails (54) JavaScript (46) PHP (33) Python (24) Laravel (20) Briefing (13) DevOps (10) Go (10) Django (9) Elixir (8) Aws (8) Briefing 2021 Q3 (7) FounderQuest (6) Briefing 2021 Q2 (6) Node (6) Conferences (5) Security (4) Developer Tools (4) Testing (4) Elastic Beanstalk (4) Heroku (3) Debugging (3) Docker (3) React (3) Markdown (3) Events (2) Jekyll (2) Startup Advice (2) Guest Post (2) Sidekiq (2) Serverless (2) Git (2) Front End (2) Rspec (2) Oauth (2) Logging (2) GraphQL (2) Error Handling (2) Flask (2) Case Studies (1) Performance (1) Allocation Stats (1) Integrations (1) Bitbucket (1) Mobile (1) Gophercon (1) Clients (1) Vue (1) Lambda (1) Turbolinks (1) Redis (1) CircleCI (1) GitHub (1) Crystal (1) Stripe (1) Saas (1) Elasticsearch (1) Import Maps (1) Build Systems (1) Minitest (1) Guzzle (1) Tdd (1) I18n (1) Github Actions (1) Sql (1) Postgresql (1) Xdebug (1) Zend Debugger (1) Phpdbg (1) Pdf (1) Multithreading (1) Concurrency (1) Web Workers (1) Fargate (1) Websockets (1) Active Record (1) Django Q (1) Celery (1) Amazon S3 (1) Aws Lambda (1) Amazon Textract (1) Sucrase (1) Babel (1) Pdfs (1) Hanami (1) Discord (1) Active Support (1) Blazer (1) Ubuntu (1) Nextjs (1) DynamoDB (1) ![]()
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