=
"Class hierarchy: :class:`freestyle.types.UnaryFunction0D` > "
":class:`freestyle.types.UnaryFunction0DEdgeNature` > :class:`CurveNatureF0D`\n"
"\n"
".. method:: __init__()\n"
"\n"
" Builds a CurveNatureF0D object.\n"
"\n"
".. method:: __call__(it)\n"
"\n"
" Returns the :class:`freestyle.types.Nature` of the 1D element the\n"
" Interface0D pointed by the Interface0DIterator belongs to.\n"
"\n"
" :arg it: An Interface0DIterator object.\n"
" :type it: :class:`freestyle.types.Interface0DIterator`\n"
" :return: The nature of the 1D element to which the pointed Interface0D\n"
" belongs.\n"
" :rtype: :class:`freestyle.types.Nature`\n"