1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2004-2008 Jean Privat <jean@pryen.org>
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
9 # http://www.apache.org/licenses/LICENSE-2.0
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.
31 redef meth to_s
: String
33 return "{first}:{_second}"
45 class Pair[E
: Comparable, E
: Comparable]
47 meth
>(p
: Pair[Comparable, Comparable]): Bool
49 return _first
> p
.first
or
50 first
== p
.first
and second
> p
._second
54 class Pair[E
: Int, E
: Int]
58 return first
+ _second
63 var p1
= new Pair[Int, Int](5, 4)
64 var p2
= new Pair[Int, Int](1, 44)
65 var p3
= new Pair[Int, Int](1, 4)