rb_core_extensions

rb_core_extensions is a set of core extensions beyond those provided by Ruby and ActiveSupport.

Minimum Requirements

• Ruby 3.2.2+ (https://www.ruby-lang.org/en/downloads/branches/)

Installation

If using bundler, first add this line to your application's Gemfile:

gem 'rb_core_extensions'

And then execute:

$ bundle install

Or otherwise simply install it yourself as:

$ gem install rb_core_extensions

Usage

Loading all core extensions at once:

require "core_extensions/all"

Cherry-picking only what you want:

require "core_extensions/array"
require "core_extensions/array/math"
require "core_extensions/date"

Extensions Provided

Below are the extension methods provided by rb_core_extensions. Please refer documentation for examples of how to use these methods.

Array

core_extensions/array/delete.rb

1. #take! - Alters the array by removing first n elements.

core_extensions/array/math.rb

1. round - Rounds each element of the numeric array up to specified precision.
2. mean - Returns the mean of the array of Numeric.
3. variance - Returns the variance of the array of Numeric.
4. stddev - Returns the standard deviation of the array of Numeric.

core_extensions/array/duplicates.rb

1. duplicates - Returns an array of the duplicate elements.

core_extensions/array/inclusion.rb

1. include_any? - Returns whether the array contains any of the elements.
2. include_none? - Returns whether the array contains none of the elements.
3. include_all? - Returns whether the array contains all of the elements.
4. includes_index? - Returns whether the array has a value at the specified index.

Hash

core_extensions/hash/inclusion.rb

1. #keys? - Returns whether the hash contains all of the specified keys.

core_extensions/hash/access.rb

1. #keys_at - Returns the array of keys of an occurrence of given values.

core_extensions/hash/delete.rb

1. #slice! - Alters the hash by keeping only specified keys and returns it.

TrueClass

core_extensions/true_class.rb

1. #to_i - Returns 1 if invoked on TrueClass instance.
2. #to_b - Returns true if invoked on TrueClass instance.

FalseClass

core_extensions/false_class.rb

1. #to_i - Returns 0 if invoked on FalseClass instance.
2. #to_b - Returns false if invoked on FalseClass instance.

NilClass

core_extensions/nil_class.rb

1. #blank? - Returns true if invoked on NilClass instance.
2. #to_b - Returns false if invoked on NilClass instance.

Object

core_extensions/object.rb

1. #is_one_of? - Returns true if the receiver object is an instance of at least one of the classes specified by args.
2. #deep_send - Invokes the specified methods continuously, unless encountering a nil value.
3. #in_namespace? - Returns whether or not the object is in the given namespace.

Module

core_extensions/module.rb

1. #namespaces - Returns an Array with the namespaces to the current Module.

Class

core_extensions/class.rb

1. #hierarchy - Returns a tree-like Hash structure of all descendants.
2. #lineage - Returns an Array of all superclasses.
3. #leaf_subclasses - Returns an Array of all descendants which have no subclasses.

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

License

Copyright 2023 Harshal V. LADHE, Released under the MIT License.