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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_AST_NULL_LITERAL_H_
#define SRC_AST_NULL_LITERAL_H_
#include <string>
#include "src/ast/literal.h"
namespace tint {
namespace ast {
/// A null literal
class NullLiteral : public Literal {
public:
/// Constructor
/// @param type the type
explicit NullLiteral(ast::type::Type* type);
~NullLiteral() override;
/// @returns true if this is a null literal
bool IsNull() const override;
/// @returns the name for this literal. This name is unique to this value.
std::string name() const override;
/// @returns the literal as a string
std::string to_str() const override;
};
} // namespace ast
} // namespace tint
#endif // SRC_AST_NULL_LITERAL_H_