Enum polars::error::PolarsError

pub enum PolarsError {
    ArrowError(ArrowError),
    InvalidOperation,
    ChunkMisMatch,
    DataTypeMisMatch,
    NotFound,
    LengthMismatch,
    Other(String),
    NoSelection,
    OutOfBounds,
    NoSlice,
    NoData,
}

Variants

ArrowError(ArrowError)

InvalidOperation

ChunkMisMatch

DataTypeMisMatch

NotFound

LengthMismatch

Other(String)

NoSelection

OutOfBounds

NoSlice

NoData

Trait Implementations

impl Debug for PolarsError

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

Formats the value using the given formatter.

impl Display for PolarsError

fn fmt(&self, __formatter: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Error for PolarsError

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

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ArrowError> for PolarsError

fn from(source: ArrowError) -> Self

Performs the conversion.