INNER CODE UNIT · Python

_MissingArgType

rpy2/rpy2 · rpy2-rinterface/src/rpy2/rinterface/__init__.py:336

class _MissingArgType(SexpSymbol, metaclass=sexp.SingletonABC):
    """Missing argument in a call to an R function.

    When evaluating a function, arguments that are not specified
    can take a default value when named, otherwise they will
    take a special value that indicates that they are missing."""

    def __init__(self):
        if embedded.isready():
            tmp = sexp.Sexp(
                _rinterface.UnmanagedSexpCapsule(
                    openrlib.rlib.R_MissingArg
                )
            )
        else:
            tmp = sexp.Sexp(
                _rinterface.UninitializedRCapsule(RTYPES.SYMSXP.value)
            )

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