By defining predicate methods which are, with the addition of '?', named the same as state machine events, and then configuring an in memory or cron-based event loop, the state machine will change state automatically.

Provides a predicate that checks whether your machine is currently online or offline, which may be useful for unit and integration tests.

MetaWhere offers the ability to call any Arel predicate methods (with a few convenient aliases) on your Model's attributes instead of the ones normally offered by ActiveRecord's hash parameters. It also adds convenient syntax for order clauses, smarter mapping of nested h...

Object Subject Predicate, mmgh?

Wrapper class for a Vagrant VM, providing access to testing predicates, such as port map information, process data, ssh connections, and more.

Provides syntax sugar for Ruby predicate blocks

Boolminot represents Elasticsearch clauses as predicates.

ActiveAdmin component which shows predicate as status.

A utility library that provides a `Semantic::Version` value object. You can parse strings into version objects or construct them by hand. Any module, class, or object can be given a version through a helper. All version objects properly handle instantiation, duplication, cloning, accesso...

== Synopsys Ruby Enumerable extension. Main idea is lazy computations within enumerators. == Usage Install as a gem: sudo gem install deferred_enum This gem introduces DeferredEnumerator class: ary = [1, 2, 3, 4] deferred = ary.defer # #<DeferredEnumerator: [1, 2, 3, 4]:ea...

Provide the bang and predicate methods for Active Record

Filter collections using predicates like Ransack gem.

Single clause, branching method definitions are so 2007. Get with SRP and party! With overloaded_methods, you can separate out any conditional branching in your method to where it belongs: predicates! Feel the power of the chain-of-responsibility pattern in your own code!!!!!!

Enumerate adds an `enumerate` command to all ActiveRecord models, enabling you to work with string or integer columns as if they were enums. The following features are added to your model: Validation - ensures that the field only receives accepted values Predicate Methods - a...

Defines TG::Geometry with immutable Geom parsing and constructor wrappers, expanded geometry predicates and accessors, Rect helpers, Hex/GeoBIN writers, raw extra_json access, read-only borrowed Line/Ring/Polygon and GeometryCollection child wrappers, value Segment wrappers, Registry reload sugar...

values_for makes your ActiveRecord-backed class work with an enumerable type. Instead of existing ActiveRecord plugins such as enum_fu, which store the enumerable attribute as an integer, values_for stores the content of the enumerable attribute in a varchar column of the database....

A secure, non-evaling condition (boolean predicate) engine for end users

Add MCP tool serving to any Rails app. Write @rbs type annotations with predicate tags (@requires, @feature, or custom) and the gem compiles per-user JSON Schema automatically — filtering fields by permissions, feature flags, and plan tiers at request time.

A primitive in-memory collection of key-value records known as "facts," with an ability to insert facts, add properties to facts, and delete facts. There is no ability to modify facts. It is also possible to find facts using Lisp-alike query predicates. An entire factbase may be exported to a bin...

SafeMemoize is a production-ready, zero-dependency memoization library for Ruby. It uses Ruby's prepend mechanism to wrap methods with a thread-safe cache (Mutex + double-check locking) that correctly handles nil and false return values — fixing the silent bug in the common ||= pattern. Results a...