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// Copyright (C) 2020-2023 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_TYTY_UTIL_H
#define RUST_TYTY_UTIL_H
#include "rust-hir-map.h"
namespace Rust {
namespace TyTy {
class BaseType;
// this is a placeholder for types that can change like inference variables
class TyVar
{
public:
explicit TyVar (HirId ref);
HirId get_ref () const { return ref; }
BaseType *get_tyty () const;
TyVar clone () const;
TyVar monomorphized_clone () const;
static TyVar get_implicit_infer_var (Location locus);
static TyVar subst_covariant_var (TyTy::BaseType *orig,
TyTy::BaseType *subst);
private:
HirId ref;
};
class TyWithLocation
{
public:
explicit TyWithLocation (BaseType *ty, Location locus);
explicit TyWithLocation (BaseType *ty);
BaseType *get_ty () const { return ty; }
Location get_locus () const { return locus; }
private:
BaseType *ty;
Location locus;
};
} // namespace TyTy
} // namespace Rust
#endif // RUST_TYTY_UTIL_H
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