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<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/mlpack/mlpack/pull/692'>https://github.com/mlpack/mlpack/pull/692</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>delete unused string_util</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-0">src/mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp</a>
    (1)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-1">src/mlpack/core/tree/cover_tree/cover_tree_impl.hpp</a>
    (1)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-2">src/mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp</a>
    (1)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-3">src/mlpack/core/util/CMakeLists.txt</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-4">src/mlpack/core/util/prefixedoutstream.hpp</a>
    (1)
  </li>
  <li>
    <strong>D</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-5">src/mlpack/core/util/string_util.cpp</a>
    (47)
  </li>
  <li>
    <strong>D</strong>
    <a href="https://github.com/mlpack/mlpack/pull/692/files#diff-6">src/mlpack/core/util/string_util.hpp</a>
    (23)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/mlpack/mlpack/pull/692.patch'>https://github.com/mlpack/mlpack/pull/692.patch</a></li>
  <li><a href='https://github.com/mlpack/mlpack/pull/692.diff'>https://github.com/mlpack/mlpack/pull/692.diff</a></li>
</ul>

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