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Oracle Solaris Studio 12.3: C++ User's Guide Oracle Solaris Studio 12.3 Information Library |
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Oracle Solaris Studio 12.3: C++ User's Guide Oracle Solaris Studio 12.3 Information Library |
3. Using the C++ Compiler Options
4.1.1 Compatibility with Microsoft Windows
4.3 Overriding With Less Restrictive Virtual Functions
4.4 Making Forward Declarations of enum Types and Variables
4.6 Using an enum Name as a Scope Qualifier
4.7 Using Anonymous struct Declarations
4.8 Passing the Address of an Anonymous Class Instance
4.9 Declaring a Static Namespace-Scope Function as a Class Friend
4.10 Using the Predefined __func__ Symbol for Function Name
4.11.1 __packed__ Attribute Details
4.12 Compiler Support for Intel MMX and Extended x86 Platform Intrinsics
6. Creating and Using Templates
9. Improving Program Performance
10. Building Multithreaded Programs
12. Using the C++ Standard Library
When you use -features=extensions, incomplete enum types are taken as forward declarations. For example, the following invalid code will compile when you use the -features=extensions option.
typedef enum E F; // invalid, E is incomplete
As noted previously, you can always include the definition of an enum type before it is used.
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