Type checking and type casting of parameters for Action Pack

Whitelist and typecheck your parameters at the controller level

Sorbet's runtime type checking component

Flags is a framework for Ruby which allows the definition of command-line flags, which are parsed in and can be accessed smartly from within your Ruby code. This framework allows for numerous different flag types, and takes care of the process of type conversion and flag validation (type and val...

== 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" in...

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...

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

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.

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...

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

Type checking for Ruby methods.

All the flexibility of a Ruby Struct, but with type checking on its properties. Also benefit from being able to define complex types using RBS type notation.

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...

Typecheck sugar for Ruby.

Only 70 lines. Add a optional type system to ruby using runtime checks and contracts . make it crash early, know exactly what a function (or method) returns and specify the 'type' of the parameters using good old ducktyping

A dynamic type checker for gRPC methods

Run-time type checker and transformer for Ruby

Type check JSON objects

Pronto runner for Sorbet, a static type checker for Ruby

Iz provides an API for type checking objects.