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https://github.com/carbon-language/carbon-lang.git
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@@ -15,10 +15,9 @@ class CloneContext;
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// Base class for all nodes in the AST.
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//
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// Every class derived from this class must be listed in ast_rtti.txt. See
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// the documentation of gen_rtti.py for details about the format. As a result,
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// every abstract class `Foo` will have a `FooKind` enumerated type, whose
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// enumerators correspond to the subclasses of `Foo`.
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// Every class derived from this class must be listed in ast_kinds.h. As a
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// result, every abstract class `Foo` will have a `FooKind` enumerated type,
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// whose enumerators correspond to the subclasses of `Foo`.
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//
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// AstNode and its derived classes support LLVM-style RTTI, including
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// llvm::isa, llvm::cast, and llvm::dyn_cast. To support this, every
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@@ -35,7 +34,7 @@ class CloneContext;
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// auto kind() const -> FooKind { return static_cast<FooKind>(root_kind()); }
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//
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// The definitions of `InheritsFromFoo` and `FooKind` are generated from
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// ast_rtti.txt, and are implicitly provided by this header.
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// ast_rtti.h, and are implicitly provided by this header.
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//
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// Every AST node is expected to provide a cloning constructor:
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//
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