A small collection of extensions useful for data coercion and validation

Declaration and coercion of PORO 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

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: `==`, `===`).

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

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

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

Lazy attribute coercion

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

Handle validation, coercion, and attributes.

Ruby attributes with type coercion.

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

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

A simple type coercion library

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