diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/keys.rb')
m--------- | puppet/modules/stdlib | 0 | ||||
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/keys.rb | 26 |
2 files changed, 26 insertions, 0 deletions
diff --git a/puppet/modules/stdlib b/puppet/modules/stdlib deleted file mode 160000 -Subproject 71123634744b9fe2ec7d6a3e38e9789fd84801e diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/keys.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/keys.rb new file mode 100644 index 00000000..f0d13b64 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/keys.rb @@ -0,0 +1,26 @@ +# +# keys.rb +# + +module Puppet::Parser::Functions + newfunction(:keys, :type => :rvalue, :doc => <<-EOS +Returns the keys of a hash as an array. + 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 : |