Define typed hash schemas with per-key type declarations, optional coercion functions, default values, strict mode for unknown keys, and validation error collection.

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

One API to load .env, YAML, JSON, TOML, environment variables, and defaults with automatic type coercion, layered priority, AES-256-GCM encryption, schema validation, variable interpolation, sensitive value masking, and file watching.

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

Declaration and coercion of PORO attributes

Ruby attributes with type coercion.

A simple type coercion library

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

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

A zero-dependency Ruby gem for validating hash data against schemas with type checking, coercion, required/optional fields, and custom validators.

Ukiryu is a platform-adaptive command execution framework that transforms CLI tools into declarative APIs. It provides the "OpenAPI" for command-line interfaces, enabling cross-platform tool integration with type safety and structured results. Key features: * Declarative YAML profiles define to...

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

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.

Load environment variables from multiple .env files with configurable precedence, type coercion, required key validation, default values, and template generation for documentation.

Lazy attribute coercion

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

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