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diff --git a/tiger-compiler/src/ast/method-dec.hh b/tiger-compiler/src/ast/method-dec.hh
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+++ b/tiger-compiler/src/ast/method-dec.hh
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+/**
+ ** \file ast/method-dec.hh
+ ** \brief Declaration of ast::MethodDec.
+ */
+
+#pragma once
+
+#include <ast/function-dec.hh>
+
+namespace ast
+{
+  /** \class ast::MethodDec
+   ** \brief Method declaration.
+   **
+   ** A method declaration is \em not a function in the strict
+   ** sense of object-oriented programming.  Inheritance is used
+   ** as a factoring tool here.
+   */
+
+  class MethodDec : public FunctionDec
+  {
+  public:
+    /** \name Ctor & dtor.
+     ** \{ */
+    /// Construct a MethodDec node.
+    MethodDec(const Location& location,
+              misc::symbol name,
+              VarChunk* formals,
+              NameTy* result,
+              Exp* body);
+    MethodDec(const MethodDec&) = delete;
+    MethodDec& operator=(const MethodDec&) = delete;
+    /// Destroy a MethodDec 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/method-dec.hxx>