tests/example_variable.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2004-2008 Jean Privat <jean@pryen.org>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Declare, assign and read local variables.
  18 var a: Int      # `a' is a local variable.
  19 a = 10          # Assignement.
  20 print(a)        # print 10
  21 do
  22         var b = 20 # `b' is a local variable.
  23         print(b)        # print 20
  24         a = b + 10      # a = 30
  25 end
  26 # `b' no more exists.
  27 print(a)        # print 30