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/*
*/
#pragma once
#include <cassert>
class TypeRef;
class TokenTree;
namespace AST {
class Pattern;
class Path;
class ExprNode;
class MetaItem;
};
class InterpolatedFragment
{
public:
enum Type
{
TT,
PAT,
PATH,
TYPE,
EXPR,
STMT,
BLOCK,
META,
} m_type;
void* m_ptr;
InterpolatedFragment(InterpolatedFragment&& );
InterpolatedFragment& operator=(InterpolatedFragment&& );
//InterpolatedFragment(const InterpolatedFragment& );
InterpolatedFragment(TokenTree );
InterpolatedFragment(::AST::Pattern);
InterpolatedFragment(::AST::Path);
InterpolatedFragment(::TypeRef);
InterpolatedFragment(::AST::MetaItem );
~InterpolatedFragment();
InterpolatedFragment(Type , ::AST::ExprNode*);
TokenTree& as_tt() { assert(m_type == TT); return *reinterpret_cast<TokenTree*>(m_ptr); }
friend ::std::ostream& operator<<(::std::ostream& os, const InterpolatedFragment& x);
};
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