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The Aya proof assistant

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// Copyright (c) 2020-2023 Tesla (Yinsen) Zhang.
// Use of this source code is governed by the MIT license that can be found in the LICENSE.md file.
package org.aya.util.tyck.pat;

import kala.collection.immutable.ImmutableSeq;
import kala.collection.immutable.primitive.ImmutableIntSeq;
import org.jetbrains.annotations.NotNull;

import java.util.function.Function;

public record PatClass(@NotNull T term, @NotNull ImmutableIntSeq cls) {
  public  @NotNull PatClass map(Function f) {
    return new PatClass<>(f.apply(term), cls);
  }

  public  @NotNull ImmutableSeq
 extract(@NotNull ImmutableSeq seq) {
    return cls.mapToObj(seq::get);
  }
}