1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
public static class CustomShortCircuitOperators
{
// TODO: Restore base class after https://roslyn.codeplex.com/workitem/358 is fixed.
private class C
{
public static bool operator true(CustomShortCircuitOperators.C x)
{
return true;
}
public static bool operator false(CustomShortCircuitOperators.C x)
{
return false;
}
public static CustomShortCircuitOperators.C operator &(CustomShortCircuitOperators.C x, CustomShortCircuitOperators.C y)
{
return null;
}
public static CustomShortCircuitOperators.C operator |(CustomShortCircuitOperators.C x, CustomShortCircuitOperators.C y)
{
return null;
}
public static bool operator !(CustomShortCircuitOperators.C x)
{
return false;
}
private static void Main()
{
CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C();
CustomShortCircuitOperators.C c2 = new CustomShortCircuitOperators.C();
CustomShortCircuitOperators.C c3 = c && c2;
CustomShortCircuitOperators.C c4 = c || c2;
Console.WriteLine(c3.ToString());
Console.WriteLine(c4.ToString());
}
private static void Test2()
{
CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C();
if (c && c)
{
Console.WriteLine(c.ToString());
}
if (!(c && c))
{
Console.WriteLine(c.ToString());
}
}
private static void Test3()
{
CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C();
if (c)
{
Console.WriteLine(c.ToString());
}
if (!c)
{
Console.WriteLine(c.ToString());
}
}
}
}
|
