INNER CODE UNIT · Python

evalr_expr_with_visible

rpy2/rpy2 · rpy2-rinterface/src/rpy2/rinterface/__init__.py:167

def evalr_expr_with_visible(
        expr: 'ExprSexpVector',
        envir: typing.Union[
            None,
            'SexpEnvironment'] = None
) -> 'ListSexpVector':
    """Evaluate an R expression and return value and visibility flag.

    :param expr: An R expression.
    :param envir: An environment in which the expression will be evaluated.

    :return: An R list with (value, visibility) where visibility is
    an R boolean.
    """
    if envir is None:
        envir = evaluation_context.get()
    assert isinstance(envir, SexpEnvironment)

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