Puppet Function: delete_values

Defined in:
lib/puppet/parser/functions/delete_values.rb
Function type:
Ruby 3.x API

Overview

delete_values() ⇒ Any

Deletes all instances of a given value from a hash.

Examples:

delete_values({'a'=>'A','b'=>'B','c'=>'C','B'=>'D'}, 'B')

Would return: ‘a’=>‘A’,‘c’=>‘C’,‘B’=>‘D’

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/delete_values.rb', line 5

newfunction(:delete_values, :type => :rvalue, :doc => <<-DOC
  Deletes all instances of a given value from a hash.

  *Examples:*

      delete_values({'a'=>'A','b'=>'B','c'=>'C','B'=>'D'}, 'B')

  Would return: {'a'=>'A','c'=>'C','B'=>'D'}

    DOC
           ) do |arguments|

  raise(Puppet::ParseError, "delete_values(): Wrong number of arguments given (#{arguments.size} of 2)") if arguments.size != 2

  hash, item = arguments

  unless hash.is_a?(Hash)
    raise(TypeError, "delete_values(): First argument must be a Hash. Given an argument of class #{hash.class}.")
  end
  hash.dup.delete_if { |_key, val| item == val }
end