ier">time_type</span><span class="special">&lt;</span> <span class="identifier">Stepper</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span><span class="special">,</span> 
                            <span class="keyword">typename</span> <span class="identifier">traits</span><span class="special">::</span><span class="identifier">time_type</span><span class="special">&lt;</span> <span class="identifier">Stepper</span> <span class="special">&gt;</span><s