`Kernel#Boolean`

Returns a boolean based on the given argument.

Status

Installation

Add this line to your application's Gemfile:

gem "kernel-boolean"

And then execute:

bundle install

Or install it yourself as:

gem install kernel-boolean

Usage

If the argument is true, returns true. If the argument is false, returns false.

In all other cases, returns an error.

Example

require "kernel/boolean"

Boolean(false)  # => false
Boolean(true)   # => true
Boolean(nil)    # => TypeError: can't convert nil into boolean
Boolean("true") # => ArgumentError: invalid value for Boolean(): "true"

Note

The #Boolean method could be used similarly to the methods already present in the Kernel module:

#Array
#Complex
#Float
#Hash
#Integer
#Rational
#String

Warning

The Kernel module is included in the Object class, so by loading this library, the #Boolean method will be available in every Ruby object.

Versioning

Kernel#Boolean uses Semantic Versioning 2.0.0

License

The gem is available as open source under the terms of the MIT License.

cyril/kernel-boolean.rb