rom_i8</a>
            <a class="list-group-item" href="../interface/str.html#proc-str_from_string">str_from_string</a>
            <a class="list-group-item" href="../interface/str.html#proc-str_from_char">str_from_char</a>
            <a class="list-group-item" href="../interface/str.html#proc-str_from_empty">str_from_empty</a>
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    <div class="col-md-9" id='text'>
      <h2>public interface str</h2>
      <p>Function f