Return a variable if it's present (and optionally of the right type), otherwise a default or nil. Adds a top level demand() method, which replaces long lines of repetitive code to check for nil?/present?/empty?, etc., hard-to-read ternary operators (?:) and if statements. A block can also be spec...

a Rails gem that allows you to validate a URL entered in a form. It validates if the URL exists by hitting it with a HEAD request. The improved version includes retries for common patterns when the head request is refused before giving a failure notice. It also looks up a SITE_URL constant to...

# License Create software licenses easily. ## Install ### Bundler: `gem 'license'` ### RubyGems: `gem install license` ## Usage ### Simple ```ruby license = License::Software::MIT.new do |l| l.year.start = 2012 l.author.name = 'Ryan Scott Lewis' l.author.email = 'ryan@rynet.us' end...

Run-time type checker and transformer for Ruby

# mdtoc - Markdown Table of Contents Read Markdown files and output a table of contents. ## Installation Requirements: * [Ruby](https://www.ruby-lang.org/en/) (see [.ruby-version](./.ruby-version)) ``` $ gem install mdtoc ``` ## Usage ``` $ mdtoc --help Usage: mdtoc [options] files or dire...

Validate parameters presence and type for Rails API methods

Selectively add type safety to your methods.

Basic file type checks based on a few header bytes

Library which allows you to check and sanitize you environment variables, raising exception if required variables are not configured, type-casting non-string variables and exposing them using an idiomatic API.

Pronto runner for Sorbet, a static type checker for Ruby

This gem is for printing hyperlinks in supported terminal emulators. It is a simple wrapper that abstracts the ANSI characters usually required to achieve this, which are annoying to type out. Check out the gist that inspired this gem at: https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f...

"Pokemoves allows you to easily check which moves pokemon can learn, as well as which pokemon can learn a specific move. You can also check a move's given type."

Taipo provides a simple way to check your variables are what you think they are. With an easy to use syntax you can call a single method and pass expressive type definitions.

Iz provides an API for type checking objects.

Ruby mixin that facilitates English-like type checking in an inheritance hierarchy via "type_name?" methods

Simple type-checking for Ruby

Executable to be used with NotificationExec in collectd. It will send several passive checks, from specific to general plugin-type.

ComfyConf provides a minimal DSL for parsing YAML config files into a structured and type-checked configuration

Whitelist and typecheck your parameters at the controller level

== Description A Rack compatible JSON-RPC2 server domain specific language (DSL) - allows JSONRPC APIs to be defined as mountable Rack applications with inline documentation, authentication and type checking. e.g. class Calculator < JSONRPC2::Interface title "JSON-RPC2 Calculator" i...