@@ -23,6 +23,82 @@ comparableOperators = [
2323
2424}%
2525
26+ /// Returns a Boolean value indicating whether the corresponding components of
27+ /// two tuples are equal.
28+ ///
29+ /// All arity zero tuples are equal.
30+ ///
31+ /// - Parameters:
32+ /// - lhs: An empty tuple.
33+ /// - rhs: An empty tuple.
34+ public func ==(lhs: (), rhs: ()) -> Bool {
35+ return true
36+ }
37+
38+ /// Returns a Boolean value indicating whether any corresponding components of
39+ /// the two tuples are not equal.
40+ ///
41+ /// All arity zero tuples are equal.
42+ ///
43+ /// - Parameters:
44+ /// - lhs: An empty tuple.
45+ /// - rhs: An empty tuple.
46+ public func !=(lhs: (), rhs: ()) -> Bool {
47+ return false
48+ }
49+
50+ /// Returns a Boolean value indicating whether the first tuple is ordered
51+ /// before the second in a lexicographical ordering.
52+ ///
53+ /// An arity zero tuple is never strictly before another arity zero tuple in a
54+ /// lexicographical ordering.
55+ ///
56+ /// - Parameters:
57+ /// - lhs: An empty tuple.
58+ /// - rhs: An empty tuple.
59+ public func <(lhs: (), rhs: ()) -> Bool {
60+ return false
61+ }
62+
63+ /// Returns a Boolean value indicating whether the first tuple is ordered
64+ /// before or the same as the second in a lexicographical ordering.
65+ ///
66+ /// An arity zero tuple is always before or the same as another arity zero tuple
67+ /// in a lexicographical ordering.
68+ ///
69+ /// - Parameters:
70+ /// - lhs: An empty tuple.
71+ /// - rhs: An empty tuple.
72+ public func <=(lhs: (), rhs: ()) -> Bool {
73+ return true
74+ }
75+
76+ /// Returns a Boolean value indicating whether the first tuple is ordered
77+ /// after the second in a lexicographical ordering.
78+ ///
79+ /// An arity zero tuple is never strictly after another arity zero tuple in a
80+ /// lexicographical ordering.
81+ ///
82+ /// - Parameters:
83+ /// - lhs: An empty tuple.
84+ /// - rhs: An empty tuple.
85+ public func >(lhs: (), rhs: ()) -> Bool {
86+ return false
87+ }
88+
89+ /// Returns a Boolean value indicating whether the first tuple is ordered
90+ /// after or the same as the second in a lexicographical ordering.
91+ ///
92+ /// An arity zero tuple is always after or the same as another arity zero tuple
93+ /// in a lexicographical ordering.
94+ ///
95+ /// - Parameters:
96+ /// - lhs: An empty tuple.
97+ /// - rhs: An empty tuple.
98+ public func >=(lhs: (), rhs: ()) -> Bool {
99+ return true
100+ }
101+
26102% for arity in range(2,7):
27103% typeParams = [chr(ord("A") + i) for i in range(arity)]
28104% tupleT = "({})".format(",".join(typeParams))
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