From aafce9c99b779855e1e10e5a337848fa9f676a01 Mon Sep 17 00:00:00 2001 From: Ken Barber Date: Sat, 30 Apr 2011 16:00:49 +0200 Subject: Moved more functions into lib/puppet/parser/functions/ --- lib/puppet/parser/functions/flatten.rb | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 lib/puppet/parser/functions/flatten.rb (limited to 'lib/puppet/parser/functions/flatten.rb') diff --git a/lib/puppet/parser/functions/flatten.rb b/lib/puppet/parser/functions/flatten.rb new file mode 100644 index 0000000..6036f72 --- /dev/null +++ b/lib/puppet/parser/functions/flatten.rb @@ -0,0 +1,25 @@ +# +# flatten.rb +# + +module Puppet::Parser::Functions + newfunction(:flatten, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "flatten(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + array = arguments[0] + + unless array.is_a?(Array) + raise(Puppet::ParseError, 'flatten(): Requires array to work with') + end + + result = array.flatten + + return result + end +end + +# vim: set ts=2 sw=2 et : -- cgit v1.2.3 From a1cae426f1d6b8f2c19184ec8aac3ebc47d97744 Mon Sep 17 00:00:00 2001 From: Ken Barber Date: Fri, 29 Jul 2011 23:09:30 +0100 Subject: (#3) Provide documentation for remaining functions. --- lib/puppet/parser/functions/flatten.rb | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'lib/puppet/parser/functions/flatten.rb') diff --git a/lib/puppet/parser/functions/flatten.rb b/lib/puppet/parser/functions/flatten.rb index 6036f72..781da78 100644 --- a/lib/puppet/parser/functions/flatten.rb +++ b/lib/puppet/parser/functions/flatten.rb @@ -4,6 +4,14 @@ module Puppet::Parser::Functions newfunction(:flatten, :type => :rvalue, :doc => <<-EOS +This function flattens any deeply nested arrays and returns a single flat array +as a result. + +*Examples:* + + flatten(['a', ['b', ['c']]]) + +Would return: ['a','b','c'] EOS ) do |arguments| -- cgit v1.2.3