def d_(member, readable=True, writable=True, final=True):
    metadata = member.metadata
    if metadata is None:
        metadata = member.metadata = {}
    metadata['d_member'] = True
    metadata['d_readable'] = readable
    metadata['d_writable'] = writable
    metadata['d_final'] = final
    return member
Mark an Atom member as bindable from Enaml syntax.
dataset/ETHPy150Open nucleic/enaml/enaml/core/declarative.py/d_