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-rw-r--r--prefix.rb13
1 files changed, 11 insertions, 2 deletions
diff --git a/prefix.rb b/prefix.rb
index 572ff4e..0e0cee2 100644
--- a/prefix.rb
+++ b/prefix.rb
@@ -19,11 +19,20 @@ module Puppet::Parser::Functions
prefix = arguments[1] if arguments[1]
- result = array.collect { |i| prefix ? prefix + i : i }
+ if prefix
+ unless prefix.is_a?(String)
+ raise(Puppet::ParseError, 'prefix(): Requires string to work with')
+ end
+ end
+
+ # Turn everything into string same as join would do ...
+ result = array.collect do |i|
+ i = i.to_s
+ prefix ? prefix + i : i
+ end
return result
end
end
# vim: set ts=2 sw=2 et :
-