tests/base_notnull_lit.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 class A[E: nullable Discrete]
  16         fun array(e, f: E): Object
  17         do
  18                 assert e != null
  19                 assert f != null #alt1# #alt2# assert f == null
  20                 return [e, f]
  21         end
  22
  23         fun range(e, f: E): Object
  24         do
  25                 assert e != null
  26                 assert f != null #alt1#
  27                 return [e..f]
  28         end
  29 end
  30
  31 var a = new A[nullable Int]
  32
  33 var ar = a.array(1, 5)
  34 ar.output_class_name
  35 ar.as(Array[Int]).add 6
  36 print ar
  37
  38 var ra = a.range(1, 5)
  39 ra.output_class_name
  40 print ra