public int TComparer_Comparable() => Runners <T> .RunTComparer(m_pivot, m_array, m_comparableTComparer);
public int ComparisonComparer_TComparer() => Runners <T> .RunTComparer(m_pivot, m_array, m_comparisonTComparer);
public int TComparer_IComparer() => Runners <T> .RunTComparer(m_pivot, m_array, m_icomparer);