Safe type coercion for the Jet Toolkit.

Cattri provides a clean DSL for defining class-level and instance-level attributes with optional defaults, coercion, accessors, and inheritance support.

An ActiveRecord plugin to strip whitespace from strings and coerce empty strings to nil values on assignment.

Validrb is a powerful Ruby schema validation library inspired by Pydantic and Zod. It provides type coercion, rich constraints, schema composition, union types, discriminated unions, custom validators, JSON Schema generation, and serialization.

FlexCoerce - is a gem which allow you create operator-dependent coercion logic. It's useful when your type should be treated in a different way for different binary operations (including arithmetic operators, bitwise operators and comparison operators except equality checks: `==`, `===`).

Handle validation, coercion, and attributes.

Provides a class suitable to be used as a model, that includes connection management, variable interpolation, object coercion and helper methods to support using direct MySQL statements for database interaction.

Contracts for string coercion

A small library for manipulating form-based data with validations and attributes coercion.

A small collection of extensions useful for data coercion and validation

Emu acts as a replacement for ad-hoc type coercions and strong_parameters.

Provides simple, convention-based, user input validation and coercion. Also provides a 'type safe hash' and command line option parser that use it.

Coerce blank strings into nil objects for ActiveRecord

Lazy attribute coercion

A simple type coercion library

Ruby attributes with type coercion.

A global Boolean2 constant that is an ancestor of true and false. Useful for coercion libraries.

Declaration and coercion of PORO attributes

A composable type system for Ruby with runtime validation and coercion.

A variety of functional transforms and value object coercions for Transproc.