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/**
** \file ast/nil-exp.hh
** \brief Declaration of ast::NilExp.
*/
#pragma once
#include <ast/exp.hh>
#include <ast/type-constructor.hh>
namespace ast
{
/// NilExp.
class NilExp
: public Exp
, public TypeConstructor
{
public:
/** \name Ctor & dtor.
** \{ */
/// Construct a NilExp node.
explicit NilExp(const Location& location);
NilExp(const NilExp&) = delete;
NilExp& operator=(const NilExp&) = delete;
/// Destroy a NilExp node.
/** \} */
/// \name Visitors entry point.
/// \{ */
/// Accept a const visitor \a v.
void accept(ConstVisitor& v) const override;
/// Accept a non-const visitor \a v.
void accept(Visitor& v) override;
/// \}
};
} // namespace ast
#include <ast/nil-exp.hxx>
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