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-rw-r--r--test/std/utilities/optional/optional.relops/equal.pass.cpp94
-rw-r--r--test/std/utilities/optional/optional.relops/greater_equal.pass.cpp93
-rw-r--r--test/std/utilities/optional/optional.relops/greater_than.pass.cpp91
-rw-r--r--test/std/utilities/optional/optional.relops/less_equal.pass.cpp93
-rw-r--r--test/std/utilities/optional/optional.relops/less_than.pass.cpp91
-rw-r--r--test/std/utilities/optional/optional.relops/not_equal.pass.cpp94
6 files changed, 314 insertions, 242 deletions
diff --git a/test/std/utilities/optional/optional.relops/equal.pass.cpp b/test/std/utilities/optional/optional.relops/equal.pass.cpp
index 6650b6720a8e9..7667540f97601 100644
--- a/test/std/utilities/optional/optional.relops/equal.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/equal.pass.cpp
@@ -18,57 +18,69 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator == ( const X &lhs, const X &rhs )
- { return lhs.i_ == rhs.i_ ; }
+constexpr bool operator==(const X& lhs, const X& rhs) {
+ return lhs.i_ == rhs.i_;
+}
-int main()
-{
- {
+int main() {
+ {
typedef X T;
typedef optional<T> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
-
- static_assert ( o1 == o1 , "" );
- static_assert ( o1 == o2 , "" );
- static_assert ( !(o1 == o3), "" );
- static_assert ( !(o1 == o4), "" );
- static_assert ( !(o1 == o5), "" );
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( o2 == o1 , "" );
- static_assert ( o2 == o2 , "" );
- static_assert ( !(o2 == o3), "" );
- static_assert ( !(o2 == o4), "" );
- static_assert ( !(o2 == o5), "" );
+ static_assert(o1 == o1, "");
+ static_assert(o1 == o2, "");
+ static_assert(!(o1 == o3), "");
+ static_assert(!(o1 == o4), "");
+ static_assert(!(o1 == o5), "");
- static_assert ( !(o3 == o1), "" );
- static_assert ( !(o3 == o2), "" );
- static_assert ( o3 == o3 , "" );
- static_assert ( !(o3 == o4), "" );
- static_assert ( o3 == o5 , "" );
+ static_assert(o2 == o1, "");
+ static_assert(o2 == o2, "");
+ static_assert(!(o2 == o3), "");
+ static_assert(!(o2 == o4), "");
+ static_assert(!(o2 == o5), "");
- static_assert ( !(o4 == o1), "" );
- static_assert ( !(o4 == o2), "" );
- static_assert ( !(o4 == o3), "" );
- static_assert ( o4 == o4 , "" );
- static_assert ( !(o4 == o5), "" );
+ static_assert(!(o3 == o1), "");
+ static_assert(!(o3 == o2), "");
+ static_assert(o3 == o3, "");
+ static_assert(!(o3 == o4), "");
+ static_assert(o3 == o5, "");
- static_assert ( !(o5 == o1), "" );
- static_assert ( !(o5 == o2), "" );
- static_assert ( o5 == o3 , "" );
- static_assert ( !(o5 == o4), "" );
- static_assert ( o5 == o5 , "" );
+ static_assert(!(o4 == o1), "");
+ static_assert(!(o4 == o2), "");
+ static_assert(!(o4 == o3), "");
+ static_assert(o4 == o4, "");
+ static_assert(!(o4 == o5), "");
- }
+ static_assert(!(o5 == o1), "");
+ static_assert(!(o5 == o2), "");
+ static_assert(o5 == o3, "");
+ static_assert(!(o5 == o4), "");
+ static_assert(o5 == o5, "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 == O2(42), "");
+ static_assert(!(O2(101) == o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 == O2(42), "");
+ static_assert(!(O2(101) == o1), "");
+ }
}
diff --git a/test/std/utilities/optional/optional.relops/greater_equal.pass.cpp b/test/std/utilities/optional/optional.relops/greater_equal.pass.cpp
index f9b30449638aa..0e05834c147a5 100644
--- a/test/std/utilities/optional/optional.relops/greater_equal.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/greater_equal.pass.cpp
@@ -16,55 +16,68 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator >= ( const X &lhs, const X &rhs )
- { return lhs.i_ >= rhs.i_ ; }
+constexpr bool operator>=(const X& lhs, const X& rhs) {
+ return lhs.i_ >= rhs.i_;
+}
-int main()
-{
- {
+int main() {
+ {
typedef optional<X> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( (o1 >= o1), "" );
- static_assert ( (o1 >= o2), "" );
- static_assert ( !(o1 >= o3), "" );
- static_assert ( !(o1 >= o4), "" );
- static_assert ( !(o1 >= o5), "" );
+ static_assert((o1 >= o1), "");
+ static_assert((o1 >= o2), "");
+ static_assert(!(o1 >= o3), "");
+ static_assert(!(o1 >= o4), "");
+ static_assert(!(o1 >= o5), "");
- static_assert ( (o2 >= o1), "" );
- static_assert ( (o2 >= o2), "" );
- static_assert ( !(o2 >= o3), "" );
- static_assert ( !(o2 >= o4), "" );
- static_assert ( !(o2 >= o5), "" );
+ static_assert((o2 >= o1), "");
+ static_assert((o2 >= o2), "");
+ static_assert(!(o2 >= o3), "");
+ static_assert(!(o2 >= o4), "");
+ static_assert(!(o2 >= o5), "");
- static_assert ( (o3 >= o1), "" );
- static_assert ( (o3 >= o2), "" );
- static_assert ( (o3 >= o3), "" );
- static_assert ( !(o3 >= o4), "" );
- static_assert ( (o3 >= o5), "" );
+ static_assert((o3 >= o1), "");
+ static_assert((o3 >= o2), "");
+ static_assert((o3 >= o3), "");
+ static_assert(!(o3 >= o4), "");
+ static_assert((o3 >= o5), "");
- static_assert ( (o4 >= o1), "" );
- static_assert ( (o4 >= o2), "" );
- static_assert ( (o4 >= o3), "" );
- static_assert ( (o4 >= o4), "" );
- static_assert ( (o4 >= o5), "" );
+ static_assert((o4 >= o1), "");
+ static_assert((o4 >= o2), "");
+ static_assert((o4 >= o3), "");
+ static_assert((o4 >= o4), "");
+ static_assert((o4 >= o5), "");
- static_assert ( (o5 >= o1), "" );
- static_assert ( (o5 >= o2), "" );
- static_assert ( (o5 >= o3), "" );
- static_assert ( !(o5 >= o4), "" );
- static_assert ( (o5 >= o5), "" );
- }
+ static_assert((o5 >= o1), "");
+ static_assert((o5 >= o2), "");
+ static_assert((o5 >= o3), "");
+ static_assert(!(o5 >= o4), "");
+ static_assert((o5 >= o5), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 >= O2(42), "");
+ static_assert(!(O2(11) >= o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 >= O2(42), "");
+ static_assert(!(O2(1) >= o1), "");
+ }
}
diff --git a/test/std/utilities/optional/optional.relops/greater_than.pass.cpp b/test/std/utilities/optional/optional.relops/greater_than.pass.cpp
index 8a27eb471f283..3946a6102ba9d 100644
--- a/test/std/utilities/optional/optional.relops/greater_than.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/greater_than.pass.cpp
@@ -16,55 +16,66 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator > ( const X &lhs, const X &rhs )
- { return lhs.i_ > rhs.i_ ; }
+constexpr bool operator>(const X& lhs, const X& rhs) { return lhs.i_ > rhs.i_; }
-int main()
-{
- {
+int main() {
+ {
typedef optional<X> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( !(o1 > o1), "" );
- static_assert ( !(o1 > o2), "" );
- static_assert ( !(o1 > o3), "" );
- static_assert ( !(o1 > o4), "" );
- static_assert ( !(o1 > o5), "" );
+ static_assert(!(o1 > o1), "");
+ static_assert(!(o1 > o2), "");
+ static_assert(!(o1 > o3), "");
+ static_assert(!(o1 > o4), "");
+ static_assert(!(o1 > o5), "");
- static_assert ( !(o2 > o1), "" );
- static_assert ( !(o2 > o2), "" );
- static_assert ( !(o2 > o3), "" );
- static_assert ( !(o2 > o4), "" );
- static_assert ( !(o2 > o5), "" );
+ static_assert(!(o2 > o1), "");
+ static_assert(!(o2 > o2), "");
+ static_assert(!(o2 > o3), "");
+ static_assert(!(o2 > o4), "");
+ static_assert(!(o2 > o5), "");
- static_assert ( (o3 > o1), "" );
- static_assert ( (o3 > o2), "" );
- static_assert ( !(o3 > o3), "" );
- static_assert ( !(o3 > o4), "" );
- static_assert ( !(o3 > o5), "" );
+ static_assert((o3 > o1), "");
+ static_assert((o3 > o2), "");
+ static_assert(!(o3 > o3), "");
+ static_assert(!(o3 > o4), "");
+ static_assert(!(o3 > o5), "");
- static_assert ( (o4 > o1), "" );
- static_assert ( (o4 > o2), "" );
- static_assert ( (o4 > o3), "" );
- static_assert ( !(o4 > o4), "" );
- static_assert ( (o4 > o5), "" );
+ static_assert((o4 > o1), "");
+ static_assert((o4 > o2), "");
+ static_assert((o4 > o3), "");
+ static_assert(!(o4 > o4), "");
+ static_assert((o4 > o5), "");
- static_assert ( (o5 > o1), "" );
- static_assert ( (o5 > o2), "" );
- static_assert ( !(o5 > o3), "" );
- static_assert ( !(o5 > o4), "" );
- static_assert ( !(o5 > o5), "" );
- }
+ static_assert((o5 > o1), "");
+ static_assert((o5 > o2), "");
+ static_assert(!(o5 > o3), "");
+ static_assert(!(o5 > o4), "");
+ static_assert(!(o5 > o5), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 > O2(1), "");
+ static_assert(!(O2(42) > o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 > O2(1), "");
+ static_assert(!(O2(42) > o1), "");
+ }
}
diff --git a/test/std/utilities/optional/optional.relops/less_equal.pass.cpp b/test/std/utilities/optional/optional.relops/less_equal.pass.cpp
index a7d594dd34a2d..5a1954154f442 100644
--- a/test/std/utilities/optional/optional.relops/less_equal.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/less_equal.pass.cpp
@@ -16,55 +16,68 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator <= ( const X &lhs, const X &rhs )
- { return lhs.i_ <= rhs.i_ ; }
+constexpr bool operator<=(const X& lhs, const X& rhs) {
+ return lhs.i_ <= rhs.i_;
+}
-int main()
-{
- {
+int main() {
+ {
typedef optional<X> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( (o1 <= o1), "" );
- static_assert ( (o1 <= o2), "" );
- static_assert ( (o1 <= o3), "" );
- static_assert ( (o1 <= o4), "" );
- static_assert ( (o1 <= o5), "" );
+ static_assert((o1 <= o1), "");
+ static_assert((o1 <= o2), "");
+ static_assert((o1 <= o3), "");
+ static_assert((o1 <= o4), "");
+ static_assert((o1 <= o5), "");
- static_assert ( (o2 <= o1), "" );
- static_assert ( (o2 <= o2), "" );
- static_assert ( (o2 <= o3), "" );
- static_assert ( (o2 <= o4), "" );
- static_assert ( (o2 <= o5), "" );
+ static_assert((o2 <= o1), "");
+ static_assert((o2 <= o2), "");
+ static_assert((o2 <= o3), "");
+ static_assert((o2 <= o4), "");
+ static_assert((o2 <= o5), "");
- static_assert ( !(o3 <= o1), "" );
- static_assert ( !(o3 <= o2), "" );
- static_assert ( (o3 <= o3), "" );
- static_assert ( (o3 <= o4), "" );
- static_assert ( (o3 <= o5), "" );
+ static_assert(!(o3 <= o1), "");
+ static_assert(!(o3 <= o2), "");
+ static_assert((o3 <= o3), "");
+ static_assert((o3 <= o4), "");
+ static_assert((o3 <= o5), "");
- static_assert ( !(o4 <= o1), "" );
- static_assert ( !(o4 <= o2), "" );
- static_assert ( !(o4 <= o3), "" );
- static_assert ( (o4 <= o4), "" );
- static_assert ( !(o4 <= o5), "" );
+ static_assert(!(o4 <= o1), "");
+ static_assert(!(o4 <= o2), "");
+ static_assert(!(o4 <= o3), "");
+ static_assert((o4 <= o4), "");
+ static_assert(!(o4 <= o5), "");
- static_assert ( !(o5 <= o1), "" );
- static_assert ( !(o5 <= o2), "" );
- static_assert ( (o5 <= o3), "" );
- static_assert ( (o5 <= o4), "" );
- static_assert ( (o5 <= o5), "" );
- }
+ static_assert(!(o5 <= o1), "");
+ static_assert(!(o5 <= o2), "");
+ static_assert((o5 <= o3), "");
+ static_assert((o5 <= o4), "");
+ static_assert((o5 <= o5), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 <= O2(42), "");
+ static_assert(!(O2(101) <= o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 <= O2(42), "");
+ static_assert(!(O2(101) <= o1), "");
+ }
}
diff --git a/test/std/utilities/optional/optional.relops/less_than.pass.cpp b/test/std/utilities/optional/optional.relops/less_than.pass.cpp
index deffa5e849f9d..35956e6f4a70e 100644
--- a/test/std/utilities/optional/optional.relops/less_than.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/less_than.pass.cpp
@@ -16,55 +16,66 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator < ( const X &lhs, const X &rhs )
- { return lhs.i_ < rhs.i_ ; }
+constexpr bool operator<(const X& lhs, const X& rhs) { return lhs.i_ < rhs.i_; }
-int main()
-{
- {
+int main() {
+ {
typedef optional<X> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( !(o1 < o1), "" );
- static_assert ( !(o1 < o2), "" );
- static_assert ( (o1 < o3), "" );
- static_assert ( (o1 < o4), "" );
- static_assert ( (o1 < o5), "" );
+ static_assert(!(o1 < o1), "");
+ static_assert(!(o1 < o2), "");
+ static_assert((o1 < o3), "");
+ static_assert((o1 < o4), "");
+ static_assert((o1 < o5), "");
- static_assert ( !(o2 < o1), "" );
- static_assert ( !(o2 < o2), "" );
- static_assert ( (o2 < o3), "" );
- static_assert ( (o2 < o4), "" );
- static_assert ( (o2 < o5), "" );
+ static_assert(!(o2 < o1), "");
+ static_assert(!(o2 < o2), "");
+ static_assert((o2 < o3), "");
+ static_assert((o2 < o4), "");
+ static_assert((o2 < o5), "");
- static_assert ( !(o3 < o1), "" );
- static_assert ( !(o3 < o2), "" );
- static_assert ( !(o3 < o3), "" );
- static_assert ( (o3 < o4), "" );
- static_assert ( !(o3 < o5), "" );
+ static_assert(!(o3 < o1), "");
+ static_assert(!(o3 < o2), "");
+ static_assert(!(o3 < o3), "");
+ static_assert((o3 < o4), "");
+ static_assert(!(o3 < o5), "");
- static_assert ( !(o4 < o1), "" );
- static_assert ( !(o4 < o2), "" );
- static_assert ( !(o4 < o3), "" );
- static_assert ( !(o4 < o4), "" );
- static_assert ( !(o4 < o5), "" );
+ static_assert(!(o4 < o1), "");
+ static_assert(!(o4 < o2), "");
+ static_assert(!(o4 < o3), "");
+ static_assert(!(o4 < o4), "");
+ static_assert(!(o4 < o5), "");
- static_assert ( !(o5 < o1), "" );
- static_assert ( !(o5 < o2), "" );
- static_assert ( !(o5 < o3), "" );
- static_assert ( (o5 < o4), "" );
- static_assert ( !(o5 < o5), "" );
- }
+ static_assert(!(o5 < o1), "");
+ static_assert(!(o5 < o2), "");
+ static_assert(!(o5 < o3), "");
+ static_assert((o5 < o4), "");
+ static_assert(!(o5 < o5), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 < O2(101), "");
+ static_assert(!(O2(101) < o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 < O2(101), "");
+ static_assert(!(O2(101) < o1), "");
+ }
}
diff --git a/test/std/utilities/optional/optional.relops/not_equal.pass.cpp b/test/std/utilities/optional/optional.relops/not_equal.pass.cpp
index fd11b2a207ca8..1256537d6a867 100644
--- a/test/std/utilities/optional/optional.relops/not_equal.pass.cpp
+++ b/test/std/utilities/optional/optional.relops/not_equal.pass.cpp
@@ -18,57 +18,69 @@
using std::optional;
-struct X
-{
- int i_;
+struct X {
+ int i_;
- constexpr X(int i) : i_(i) {}
+ constexpr X(int i) : i_(i) {}
};
-constexpr bool operator != ( const X &lhs, const X &rhs )
- { return lhs.i_ != rhs.i_ ; }
+constexpr bool operator!=(const X& lhs, const X& rhs) {
+ return lhs.i_ != rhs.i_;
+}
-int main()
-{
- {
+int main() {
+ {
typedef X T;
typedef optional<T> O;
- constexpr O o1; // disengaged
- constexpr O o2; // disengaged
- constexpr O o3{1}; // engaged
- constexpr O o4{2}; // engaged
- constexpr O o5{1}; // engaged
-
- static_assert ( !(o1 != o1), "" );
- static_assert ( !(o1 != o2), "" );
- static_assert ( (o1 != o3), "" );
- static_assert ( (o1 != o4), "" );
- static_assert ( (o1 != o5), "" );
+ constexpr O o1; // disengaged
+ constexpr O o2; // disengaged
+ constexpr O o3{1}; // engaged
+ constexpr O o4{2}; // engaged
+ constexpr O o5{1}; // engaged
- static_assert ( !(o2 != o1), "" );
- static_assert ( !(o2 != o2), "" );
- static_assert ( (o2 != o3), "" );
- static_assert ( (o2 != o4), "" );
- static_assert ( (o2 != o5), "" );
+ static_assert(!(o1 != o1), "");
+ static_assert(!(o1 != o2), "");
+ static_assert((o1 != o3), "");
+ static_assert((o1 != o4), "");
+ static_assert((o1 != o5), "");
- static_assert ( (o3 != o1), "" );
- static_assert ( (o3 != o2), "" );
- static_assert ( !(o3 != o3), "" );
- static_assert ( (o3 != o4), "" );
- static_assert ( !(o3 != o5), "" );
+ static_assert(!(o2 != o1), "");
+ static_assert(!(o2 != o2), "");
+ static_assert((o2 != o3), "");
+ static_assert((o2 != o4), "");
+ static_assert((o2 != o5), "");
- static_assert ( (o4 != o1), "" );
- static_assert ( (o4 != o2), "" );
- static_assert ( (o4 != o3), "" );
- static_assert ( !(o4 != o4), "" );
- static_assert ( (o4 != o5), "" );
+ static_assert((o3 != o1), "");
+ static_assert((o3 != o2), "");
+ static_assert(!(o3 != o3), "");
+ static_assert((o3 != o4), "");
+ static_assert(!(o3 != o5), "");
- static_assert ( (o5 != o1), "" );
- static_assert ( (o5 != o2), "" );
- static_assert ( !(o5 != o3), "" );
- static_assert ( (o5 != o4), "" );
- static_assert ( !(o5 != o5), "" );
+ static_assert((o4 != o1), "");
+ static_assert((o4 != o2), "");
+ static_assert((o4 != o3), "");
+ static_assert(!(o4 != o4), "");
+ static_assert((o4 != o5), "");
- }
+ static_assert((o5 != o1), "");
+ static_assert((o5 != o2), "");
+ static_assert(!(o5 != o3), "");
+ static_assert((o5 != o4), "");
+ static_assert(!(o5 != o5), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<long>;
+ constexpr O1 o1(42);
+ static_assert(o1 != O2(101), "");
+ static_assert(!(O2(42) != o1), "");
+ }
+ {
+ using O1 = optional<int>;
+ using O2 = optional<const int>;
+ constexpr O1 o1(42);
+ static_assert(o1 != O2(101), "");
+ static_assert(!(O2(42) != o1), "");
+ }
}