# File lib/numru/nusdas.rb, line 326 def var(element) unless String === element raise "vname must be String" end if /^(.*)#{@@surf_suffix}$/ =~ element element = $1 surf = true else surf = false end element = element.ljust(6) if @meta[:elements].include?(element) return NuSDaSVar._new(element,@meta,self,surf) else raise "variable '#{element}' is not found" end end