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#
# 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 core::kernel

fun foo(i: Int): nullable Int do return i
fun bar(i: Int) do i.output

var i = 0
var c = 0
while i < 10 do
	i += 1

	var b = foo(i)
	if b == null then
		continue#alt1#
	end

	bar(b)
	c = b
end
bar(c)