puppetlabs-stdlib/lib/puppet/parser/functions/is_float.rb

27 lines
516 B
Ruby

#
# is_float.rb
#
module Puppet::Parser::Functions
newfunction(:is_float, :type => :rvalue, :doc => <<-EOS
Returns true if the variable passed to this function is a float.
EOS
) do |arguments|
if (arguments.size != 1) then
raise(Puppet::ParseError, "is_float(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
value = arguments[0]
if value != value.to_f.to_s then
return false
else
return true
end
end
end
# vim: set ts=2 sw=2 et :