Puppet Function: hash_keys

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

Overview

hash_keys() ⇒ Any

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/hash_keys.rb', line 3

newfunction(:hash_keys, :type => :rvalue) do |args|
  raise Puppet::ParseError, "hash_keys(): requires 1 argument, got #{args.length}" if args.length != 1

  hash = args.shift

  raise Puppet::ParseError, "hash_keys(): Argument is not an hash" unless hash.is_a?(Hash)
  hash.keys

end