Mercurial > repos > other > Puppet
view modules/stdlib/lib/puppet/parser/functions/is_function_available.rb @ 37:addb0ea390a1 puppet-3.6
Update Puppet "stdlib" module
author | IBBoard <dev@ibboard.co.uk> |
---|---|
date | Sat, 14 Mar 2015 20:09:45 +0000 |
parents | 956e484adc12 |
children | c42fb28cff86 |
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# # is_function_available.rb # module Puppet::Parser::Functions newfunction(:is_function_available, :type => :rvalue, :doc => <<-EOS This function accepts a string as an argument, determines whether the Puppet runtime has access to a function by that name. It returns a true if the function exists, false if not. EOS ) do |arguments| if (arguments.size != 1) then raise(Puppet::ParseError, "is_function_available?(): Wrong number of arguments "+ "given #{arguments.size} for 1") end # Only allow String types return false unless arguments[0].is_a?(String) function = Puppet::Parser::Functions.function(arguments[0].to_sym) function.is_a?(String) and not function.empty? end end # vim: set ts=2 sw=2 et :