[size=1em][size=1em] class [size=1em] InterfaceU1 [size=1em] {; n: B& q9 a1 X1 [0 C [size=1em] public: [size=1em] virtual void func1() = 0; [size=1em] } 6 L( `1 g3 L# w7 A [size=1em] class [size=1em] InterfaceU2 [size=1em] { [size=1em] public: [size=1em] virtual void func2() = 0;: b3 {6 H: K# t4 L1 ] [size=1em] }8 [& H% x1 p. v* e( T( j 2 n' p+ L r9 w- T* f [size=1em] class5 b7 ]+ t' V! }' T y [size=1em] Wrapper [size=1em] { [size=1em] public:2 E6 B$ d8 H- ]! l: D) ]0 G [size=1em] virtual InterfaceU1* getInterface1() = 0;* F" `! e1 W: j [size=1em] virtual InterfaceU2* getInterface2() = 0; [size=1em] }& y3 d8 n( t J' i 3 h" ^+ }, L" K1 M [size=1em] class9 {( a: z3 |$ U& w1 Z: E [size=1em] Base : public Wrapper, public InterfaceU1, public InterfaceU2* \& j. N% \# u3 U) s$ |; {( G$ p [size=1em] { [size=1em] public: O x0 f$ n9 }1 |( F h [size=1em] virtual InterfaceU1* getInterface1()) F/ k: ^9 i) \' o. T [size=1em] { [size=1em] return this; [size=1em] }9 B* C8 ?" i! q6 t; T$ [ [size=1em] virtual InterfaceU2* getInterface2() [size=1em] {2 B5 x" H8 s+ }0 K$ K r + P- S' Q& [$ T# p$ }4 \- M [size=1em] return this;/ Q" E7 p- ]4 D G4 \1 Q1 ]4 z [size=1em] }8 u4 c8 \% w. r# ]: T; ?* h [size=1em] virtual void func1() [size=1em] {7 N+ d) j* D; l: r [size=1em] printf("%s", "func1"); [size=1em] }" O9 S# D; F/ T, V6 [) R# j ) O+ l- I9 P" K5 S [size=1em] virtual void func2() [size=1em] { [size=1em] printf("%s", "func2"); [size=1em] }: C; c3 h! O: U' M [size=1em] }; M- d( w! W- a! b6 K2 \ |
[size=1em]1 [size=1em]2 / X+ F2 X0 O1 n+ i. m$ r | [size=1em][size=1em]Base* pBase = new Base();) m+ Y1 C# _/ o) G& c [size=1em]pBase->getInterface1()->func1(); 2 E- W* X2 p! w) ?" O1 z4 R |
[size=1em]1 & R% V+ P' }) ?% u/ _[size=1em]2 [size=1em]3 | [size=1em][size=1em] Base* pBase = new Base();0 r( w' O y& b6 Z; c [size=1em] InterfaceU1* pInterface1 = pBase->getInterface1();$ o0 e8 O% n3 M& Y3 | [size=1em] pInterface1->func1(); |
[size=1em]1 [size=1em]2 5 g2 `) v {7 x9 t[size=1em]3 ; \# N* q9 B1 F$ Z) x7 q0 n+ v[size=1em]4 | [size=1em][size=1em] 5 T0 m, L. r/ n! L/ I8 M [size=1em] vTable:Wrapper |Base::getInterface1()|Base::getInterface2()|Base::func1()|Base::func2()| [size=1em] vTable:InterfaceU1 |Base::func1()| [size=1em] vTable:InterfaceU2 |Base::func2()|7 c, }; G, w# x- M V# Q |
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