puppetlabs-stdlib/keys.rb
Krzysztof Wilczynski 0ff8b00a64 Small re-factor. Changed if not to unless for code clarity.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-29 23:30:32 +01:00

25 lines
474 B
Ruby

#
# keys.rb
#
module Puppet::Parser::Functions
newfunction(:keys, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "keys(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
hash = arguments[0]
unless hash.is_a?(Hash)
raise(Puppet::ParseError, 'keys(): Requires hash to work with')
end
result = hash.keys
return result
end
end
# vim: set ts=2 sw=2 et :