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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.
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# limitations under the License.

import core::kernel

class G[E]
end

class A
	fun foo(t: T): Comparable do return t
	#fun foog: nullable G[T] do return barg
	type T: Comparable #alt1-5#
	type GT: G[T]
	#alt1#type T: T
	#alt2#type T: nullable T
	#alt3#type T: G[T]
	#alt4#type T: U
	#alt4#type U: FAIL
	#alt5#type T: U
	#alt5#type U: T
	fun bar(t: T): Comparable do return t
	#fun barg: nullable G[T] do return foog
end

class B
	super A
	redef fun foo(t: T): T do return t
	#redef fun foog: GT do return barg
	redef type GT: G[Discrete]
	#alt6#redef type GT: G[Bool]
	redef fun bar(t: T): T do return t
	#redef fun barg: GT do return foog
end

var a = new A
a.foo(1)
a.bar('1')

var b = new B
b.foo(2)
b.bar('3')