lib/qlang/api/integral_api.rb in qlang-0.0.27180000 vs lib/qlang/api/integral_api.rb in qlang-0.0.27182000

@@ -1,14 +1,14 @@
 module Qlang
   module Api
     module IntegralApi
       def execute(func, delta, range)
         a, b = range.split('..')
-        case $type
-        when :R
-          fail 'Integral is not implemented for R'
-        when :Ruby
+        case $meta_info.lang
+        when :ruby
           "S(#{func}, #{delta})[#{a}, #{b}]"
+        else
+          fail "Integral is not implemented for #{LANGS_HASH[$meta_info.lang.to_s]}"
         end
 
       end
       module_function :execute
     end