Enum DataFrameError 

pub enum DataFrameError {
    NotList(String),
    NotDataFrame,
    NoNames,
    BadRowNames(String),
    UnequalLengths {
        expected: usize,
        column: String,
        actual: usize,
    },
}

Error returned when constructing or validating an DataFrameView.

Variants

NotList(String)

The SEXP is not a VECSXP.

NotDataFrame

The object does not inherit from data.frame.

NoNames

The list has no names attribute (columns must be named).

BadRowNames(String)

Could not extract nrow from row.names attribute.

UnequalLengths

Columns have unequal lengths (when promoting from NamedList).

Fields

expected: usize

First column length encountered.

column: String

The column name that differs.

actual: usize

The actual length of that column.

Trait Implementations

impl Clone for DataFrameError

fn clone(&self) -> DataFrameError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DataFrameError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for DataFrameError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for DataFrameError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.