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// Copyright 2005-2024 Google LLC
//
// 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.
//
// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
#ifndef FST_SCRIPT_UNION_H_
#define FST_SCRIPT_UNION_H_
#include <tuple>
#include <utility>
#include <vector>
#include <fst/fst.h>
#include <fst/mutable-fst.h>
#include <fst/union.h>
#include <fst/script/fst-class.h>
namespace fst {namespace script {
using FstUnionArgs1 = std::pair<MutableFstClass *, const FstClass &>;
template <class Arc>void Union(FstUnionArgs1 *args) { MutableFst<Arc> *fst1 = std::get<0>(*args)->GetMutableFst<Arc>(); const Fst<Arc> &fst2 = *std::get<1>(*args).GetFst<Arc>(); Union(fst1, fst2);}
using FstUnionArgs2 = std::tuple<MutableFstClass *, const std::vector<const FstClass *> &>;
template <class Arc>void Union(FstUnionArgs2 *args) { MutableFst<Arc> *fst1 = std::get<0>(*args)->GetMutableFst<Arc>(); const auto &untyped_fsts2 = std::get<1>(*args); std::vector<const Fst<Arc> *> typed_fsts2; typed_fsts2.reserve(untyped_fsts2.size()); for (const auto &untyped_fst2 : untyped_fsts2) { typed_fsts2.emplace_back(untyped_fst2->GetFst<Arc>()); } Union(fst1, typed_fsts2);}
void Union(MutableFstClass *fst1, const FstClass &fst2);
void Union(MutableFstClass *fst1, const std::vector<const FstClass *> &fsts2);
} // namespace script
} // namespace fst
#endif // FST_SCRIPT_UNION_H_
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