Files
carbon-lang/explorer/testdata/impl
Adrien Leravat 8301258ef8 Explorer: support virtual class methods (#2462)
Features:
* Add `virtual` virtual override keyword for functions
* Support `virtual` class methods using dynamic dispatch

Changes:
* Add `vtable` in `NominalClassType`, 
* Add `NominalClassValue**` in class values pointing to  descendant-most class
* Resolve virtual methods during member lookup

Limitations:
* Does not include yet `impl`, `abstract` virtual override keywords, or the complete logic for virtual function declaration

Depends on #2460 
Relates to #1881 
Relates to #2493
2023-01-02 12:37:49 -08:00
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