tinytyping is simply type check.

Sorbet's runtime type checking component

Methods for defining type-checked arrays and attributes

Decorator style assertions and type check library for Contract programming.

Guard plugin for Flow type checks

RubyBreaker is a dynamic type documentation/checking tool for Ruby. It dynamically instruments code, monitors objects during execution, performs dynamic type checking, and generates type documentation based on the profiled information. RubyBreaker helps Ruby programs "break" out of obscurities an...

Iz provides an API for type checking objects.

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

Provides several utilities for run-time type-checking with Ruby

Objective-C style named parameters and type checking for Ruby.

Guard plugin for the Sorbet Ruby type checker

Create resources with run-time payload type checking and link validation

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

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

rails-tc bundles everything required to properly setup type checking with sorbet in rails projects

The strongtyping gem is a Ruby library that provides type checking and method overloading.

Pronto runner for flow, a static type checker for javascript.

Pronto runner for Sorbet, a static type checker for Ruby

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

Contains validators for date and time values, type checking.