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from ctypes import c_int

from . import NGS
from .String import getNGSValue
from .Fragment import Fragment

class FragmentIterator(Fragment):
    def nextFragment(self):
        """Advance to next Fragment
        :return: false if no more Fragments are available.
        :throws: ErrorMsg if more Fragments should be available, but could not be accessed.
        """
        return bool(getNGSValue(self, NGS.lib_manager.PY_NGS_FragmentIteratorNext, c_int))
