tmp/tmpijfbcvzp/{from.md → to.md}
RENAMED
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@@ -29,28 +29,28 @@ struct D1 : B1 {
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int x;
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int y = get();
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};
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void test() {
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-
D1 d(2, 3, 4); // OK
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// then d.x is default-initialized (no initialization is performed),
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// then d.y is initialized by calling get()
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-
D1 e; // error: D1 has
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}
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struct D2 : B2 {
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using B2::B2;
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B1 b;
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};
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-
D2 f(1.0); // error: B1 has
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struct W { W(int); };
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struct X : virtual W { using W::W; X() = delete; };
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struct Y : X { using X::X; };
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struct Z : Y, virtual W { using Y::Y; };
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-
Z z(0); // OK
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template<class T> struct Log : T {
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using T::T; // inherits all constructors from class T
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~Log() { std::clog << "Destroying wrapper" << std::endl; }
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};
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@@ -86,18 +86,18 @@ struct D2 : V1, V2 {
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using V1::V1;
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using V2::V2;
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};
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D1 d1(0); // error: ambiguous
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-
D2 d2(0); // OK
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// then initializes the V1 and V2 base classes as if by a defaulted default constructor
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struct M { M(); M(int); };
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struct N : M { using M::M; };
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struct O : M {};
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struct P : N, O { using N::N; using O::O; };
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P p(0); // OK
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// use M() to initialize O's base class
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```
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— *end example*]
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int x;
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int y = get();
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};
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void test() {
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+
D1 d(2, 3, 4); // OK, B1 is initialized by calling B1(2, 3, 4),
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// then d.x is default-initialized (no initialization is performed),
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// then d.y is initialized by calling get()
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+
D1 e; // error: D1 has no default constructor
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}
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struct D2 : B2 {
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using B2::B2;
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B1 b;
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};
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+
D2 f(1.0); // error: B1 has no default constructor
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struct W { W(int); };
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struct X : virtual W { using W::W; X() = delete; };
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struct Y : X { using X::X; };
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struct Z : Y, virtual W { using Y::Y; };
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+
Z z(0); // OK, initialization of Y does not invoke default constructor of X
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template<class T> struct Log : T {
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using T::T; // inherits all constructors from class T
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~Log() { std::clog << "Destroying wrapper" << std::endl; }
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};
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using V1::V1;
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using V2::V2;
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};
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D1 d1(0); // error: ambiguous
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+
D2 d2(0); // OK, initializes virtual B base class, which initializes the A base class
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// then initializes the V1 and V2 base classes as if by a defaulted default constructor
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struct M { M(); M(int); };
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struct N : M { using M::M; };
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struct O : M {};
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struct P : N, O { using N::N; using O::O; };
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+
P p(0); // OK, use M(0) to initialize N's base class,
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// use M() to initialize O's base class
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```
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— *end example*]
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