def p_child_def2(p):
    body = filter(None, [p[3]])
    p[0] = enaml_ast.ChildDef(typename=p[1], body=body, lineno=p.lineno(1))
child_def : NAME COLON child_def_simple_item
dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_child_def2