lean2/src/library/blast/revert.h

/*
Copyright (c) 2015 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.

Author: Leonardo de Moura
*/
#pragma once
#include "library/blast/hypothesis.h"

namespace lean {
namespace blast {
/** \brief Revert the given hypotheses and their dependencies.
    Return the total number of hypotheses reverted. */
unsigned revert_action(buffer<hypothesis_idx> & hidxs);

/** \brief Lower-level version of previous procedure.
    \pre hidxs and hidxs_set contain the same elements. */
unsigned revert_action(buffer<hypothesis_idx> & hidxs, hypothesis_idx_set & hidxs_set);
}}