module Puppet::Coercion

Various methods used to coerce values into a canonical form.

@api private

Public Class Methods

boolean(value) click to toggle source

Try to coerce various input values into boolean true/false

Only a very limited subset of values are allowed. This method does not try to provide a generic “truthiness” system.

@param value [Boolean, Symbol, String] @return [Boolean] @raise @api private

   # File lib/puppet/coercion.rb
14 def self.boolean(value)
15   # downcase strings
16   if value.respond_to? :downcase
17     value = value.downcase
18   end
19 
20   case value
21   when true, :true, 'true', :yes, 'yes'
22     true
23   when false, :false, 'false', :no, 'no'
24     false
25   else
26     fail('expected a boolean value')
27   end
28 end
boolean_values() click to toggle source

Return the list of acceptable boolean values.

This is limited to lower-case, even though boolean() is case-insensitive.

@return [Array] @raise @api private

   # File lib/puppet/coercion.rb
37 def self.boolean_values
38   ['true', 'false', 'yes', 'no']
39 end