QuacksLike is a module for RSpec to add matchers that test if an object is fully duck-typed to pretend to be another class. This kind of thing is really only necessary when passing such an object as the return value in an API where you don't know exactly how it will be consumed, but it needs to ...

Guard plugin for Flow type checks

Allows checking of reply content type with request accept types. Also allows contracting of downstream apps to supplying a single type.

This tool are used to perform different type of checks for the gApps to encounter status and problems

Simple runtime type checking for Ruby method signatures

In most cases Ruby doesn't need templated classes, nor any other system of generics, because it isn't statically type checked. However, sometimes we need to automatically generate multiple similar classes, either because of poor design or because of external necessities. For example, to define a ...

Provides several utilities for run-time type-checking with 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

It is a delegate library that checks the type of an argument

Dynamic type checker

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A gem that provides integration between Sorbet type checking and RSpec testing framework

Super basic type checking functions in ruby.

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File type identification library.

Generate all parts of a compiler, including the lexer, parser, syntax tree, symbol table, type checker, code generator, and optimizer.

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

Gem helps to do next things with your objects - check the type, make a conversions and work with hashes

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

Extracts Ruby code from view templates (ERB, etc.) for Sorbet type-checking, with LSP support