A lightweight gem that validates required environment variables at application boot time, providing type checking, format validation, and helpful error messages to prevent production disasters caused by missing or invalid configuration.

A Ruby dialect that includes types in the language. Transpiles to Ruby and RBS by leveraging the ruby-next and irbs gems. Type checks with steep.

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.

Typedeaf is a gem to help add some type-checking to method declarations in Ruby

EnvCheck is a lightweight Ruby gem that ensures your required and optional environment variables are present and valid before your app boots. Features smart config discovery (.env_check.yml or config/env_check.yml), comprehensive type validation with 9 built-in validators, .env loading with doten...

To check valid myanmar mobile numbers,get mobile operator name, sanitize mobile numbers and get mobile network types.

Guard plugin for the Sorbet Ruby type checker

Dynamic type checker

A puppet-lint plugin to check if parameters in Classes and Defines has types declared.

Group your checkboxes like grouped select via “grouped_collection_select” in Rails. This gem adds a new Formtastic input type “grouped_check_boxes”, that helps you group long lists of checkboxes.

Decorator style assertions and type check library for Contract programming.

This gem allows you to check the Content-Type of any HTTP-accessible asset.

"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."

The MessageMedia Lookups API provides a number of endpoints for validating the phone numbers you’re sending to by checking their validity, type and carrier records.

Type Checker for Ruby at runtime using YARD

Type checking for Ruby methods.

Reliable contract definition, data validation, and type checking for Ruby.

All methods that alter the contents of an array that implements this Gem are first checked to ensure that the added items are of the types allowed. All methods behave exactly as their Array counterparts, including additional forms, block processing, etc.

Property types that add CHECK constraints to your DB and validations to your model. Data integrity FTW.

TStruct is type checked Struct