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+// Copyright (C) 2020-2024 Free Software Foundation, Inc.
+
+// This file is part of GCC.
+
+// GCC is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 3, or (at your option) any later
+// version.
+
+// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#ifndef RUST_HIR_TRAIT_BOUND_H
+#define RUST_HIR_TRAIT_BOUND_H
+
+#include "rust-hir-bound-abstract.h"
+#include "rust-hir-path.h"
+#include "rust-hir-generic-param.h"
+
+namespace Rust {
+namespace HIR {
+
+// A trait bound
+class TraitBound : public TypeParamBound
+{
+  bool in_parens;
+  BoundPolarity polarity;
+  std::vector<LifetimeParam> for_lifetimes;
+  TypePath type_path;
+  location_t locus;
+
+  Analysis::NodeMapping mappings;
+
+public:
+  // Returns whether trait bound has "for" lifetimes
+  bool has_for_lifetimes () const { return !for_lifetimes.empty (); }
+
+  TraitBound (Analysis::NodeMapping mapping, TypePath type_path,
+	      location_t locus, bool in_parens = false,
+	      BoundPolarity polarity = BoundPolarity::RegularBound,
+	      std::vector<LifetimeParam> for_lifetimes
+	      = std::vector<LifetimeParam> ())
+    : in_parens (in_parens), polarity (polarity),
+      for_lifetimes (std::move (for_lifetimes)),
+      type_path (std::move (type_path)), locus (locus), mappings (mapping)
+  {}
+
+  std::string as_string () const override;
+
+  location_t get_locus () const override final { return locus; }
+
+  void accept_vis (HIRFullVisitor &vis) override;
+
+  Analysis::NodeMapping get_mappings () const override final
+  {
+    return mappings;
+  }
+
+  std::vector<LifetimeParam> &get_for_lifetimes () { return for_lifetimes; }
+  bool get_in_parens () { return in_parens; }
+  BoundPolarity get_polarity () { return polarity; }
+
+  BoundType get_bound_type () const final override { return TRAITBOUND; }
+
+  TypePath &get_path () { return type_path; }
+
+  const TypePath &get_path () const { return type_path; }
+
+protected:
+  /* Use covariance to implement clone function as returning this object rather
+   * than base */
+  TraitBound *clone_type_param_bound_impl () const override
+  {
+    return new TraitBound (*this);
+  }
+};
+
+} // namespace HIR
+} // namespace Rust
+
+#endif