

def _exists(sym, _larch=None):
    'return True if a named symbol exists and can be found, False otherwise'
    return (which(_larch, _larch=_larch, **kws) is not None)

dataset/ETHPy150Open xraypy/xraylarch/lib/builtins.py _exists/VarMisuse@20/51 `sym`->`_larch`