X-Git-Url: http://nitlanguage.org diff --git a/tests/base_var_type_evolution_null3.nit b/tests/base_var_type_evolution_null3.nit new file mode 100644 index 0000000..a1ae9ca --- /dev/null +++ b/tests/base_var_type_evolution_null3.nit @@ -0,0 +1,63 @@ +# This file is part of NIT ( http://www.nitlanguage.org ). +# +# Copyright 2010 Jean Privat +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import kernel + +class G[A: nullable Object] + var _a: A + init (a: A) do _a = a + + fun run + do + var a = _a + + if a != null then + a.output + end + + _a = a + end + + fun na: nullable A = _a + + fun run2 + do + var na = na + if na != null then + na.output + _a = na + end + + #alt1# _a = na + end +end + +fun foo +do + var a: Object = 5 + var o = a + if a != null then + a.output + end + o = a +end + +fun rand: Bool do return true + +var g = new G[Object](1) +g.run +g.run2 +foo