Enum polars::chunked_array::object::PolarsError

source · [−]

pub enum PolarsError {
    ArrowError(Box<ArrowError, Global>),
    InvalidOperation(Cow<'static, str>),
    SchemaMisMatch(Cow<'static, str>),
    NotFound(String),
    ShapeMisMatch(Cow<'static, str>),
    ComputeError(Cow<'static, str>),
    NoData(Cow<'static, str>),
    Io(Error),
    Duplicate(Cow<'static, str>),
}

This is supported on crate feature object only.

Variants

`ArrowError(Box<ArrowError, Global>)`

`InvalidOperation(Cow<'static, str>)`

`SchemaMisMatch(Cow<'static, str>)`

`NotFound(String)`

`ShapeMisMatch(Cow<'static, str>)`

`ComputeError(Cow<'static, str>)`

`NoData(Cow<'static, str>)`

`Io(Error)`

`Duplicate(Cow<'static, str>)`

Trait Implementations

impl Debug for PolarsError

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

Formats the value using the given formatter. Read more

impl Display for PolarsError

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

Formats the value using the given formatter. Read more

impl Error for PolarsError

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

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

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

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

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

1.0.0 · source

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

1.0.0 · source

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(err: ArrowError) -> PolarsError

Performs the conversion.

impl From<Error> for PolarsError

fn from(err: Error) -> PolarsError

Performs the conversion.

impl From<Error> for PolarsError

fn from(err: Error) -> PolarsError

Performs the conversion.

impl From<Error> for PolarsError

fn from(source: Error) -> PolarsError

Performs the conversion.

impl From<PolarsError> for PolarsError

fn from(err: PolarsError) -> PolarsError

Performs the conversion.

Auto Trait Implementations

impl !RefUnwindSafe for PolarsError

impl Send for PolarsError

impl Sync for PolarsError

impl Unpin for PolarsError

impl !UnwindSafe for PolarsError

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> ToString for T where
T: Display + ?Sized,

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V