Sorbet's runtime type checking component

RDL is a gem that adds types and contracts to Ruby. RDL includes extensive support for specifying method types, which can either be enforced as contracts or statically checked.

Type checking and type casting of parameters for Action Pack

Enums, properties, generics, structured objects and runtime type checking.

A gem that provides DSL for serialization of plain old Ruby objects to JSON in a declarative style by defining a `schema`. It also provides a trivial type checking in the runtime before serialization.

MooseX is an extension of Ruby object DSL. The main goal of MooseX is to make Ruby Object Oriented programming easier, more consistent, and less tedious. With MooseX you can think more about what you want to do and less about the mechanics of OOP. It is a port of Moose/Moo from Perl to Ruby world...

Yadriggy builds the abstract syntax tree (AST) of a method, checks its syntax and types, and runs it. When checking the syntax and types, it is treated as the code written in a domain specific language (DSL). It also provide simple DSLs for computation offloading from Ruby to C, Python, etc.

Cerealize your ActiveModel objects into flat hashes with a dead simple, yet versatile DSL, and caching and type-checking baked in. Our daily bread is to make your API faster.

A modern modular service object toolkit for Rails, that respects database transactions and adds type checks to returned values.

# ActiveGenie 🧞‍♂️ > The lodash for GenAI, stop reinventing the wheel [](https://badge.fury.io/rb/active_genie) [](https://github.co...

Type checking for Ruby methods.

Type-checked serializers for your Ruby objects

Run-time type checker and transformer for Ruby

A type coercion lib works with Sorbet's static type checker and type definitions; raises an error if the coercion fails.

Gradual type checker for Ruby

Type check JSON objects

Check yardoc format like tag type.

Stop wrestling with complex type validations and unclear error messages. Domainic::Type brings type validation to Ruby that is both powerful and delightful to use. Build composable type constraints with crystal-clear error messages that actually tell you what went wrong. From simple type checks t...

Makes sure users don't accidentally create an account for the wrong e-mail address. Because 'gmial' isn't actually what they meant to type. Similarly, 'yaho.com', or the strange-but-true '.c0m'. Not even making that one up. If you're concerned about false-positives, it's super-easy to check. Ther...

Simple runtime type checking for Ruby method signatures