Enum polars_core::error::PolarsError[−][src]

pub enum PolarsError {

Show variants    PolarsArrowError(PolarsError),
    ArrowError(ArrowError),
    InvalidOperation(Cow<'static, str>),
    DataTypeMisMatch(Cow<'static, str>),
    NotFound(String),
    ShapeMisMatch(Cow<'static, str>),
    Other(Cow<'static, str>),
    OutOfBounds(Cow<'static, str>),
    NoSlice,
    NoData(Cow<'static, str>),
    ValueError(Cow<'static, str>),
    MemoryNotAligned,
    ParquetError(ParquetError),
    RandError(String),
    HasNullValues(Cow<'static, str>),
    UnknownSchema(Cow<'static, str>),
    Various(Error),
    Io(Error),
    Regex(Error),
    Duplicate(Cow<'static, str>),
    ImplementationError,

}

Variants

PolarsArrowError(PolarsError)
ArrowError(ArrowError)
InvalidOperation(Cow<'static, str>)
DataTypeMisMatch(Cow<'static, str>)
NotFound(String)
ShapeMisMatch(Cow<'static, str>)
Other(Cow<'static, str>)
OutOfBounds(Cow<'static, str>)
NoSlice
NoData(Cow<'static, str>)
ValueError(Cow<'static, str>)
MemoryNotAligned
ParquetError(ParquetError)
RandError(String)
HasNullValues(Cow<'static, str>)
UnknownSchema(Cow<'static, str>)
Various(Error)
Io(Error)
Regex(Error)
Duplicate(Cow<'static, str>)
ImplementationError

Trait Implementations

impl Debug for PolarsError[src]

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

Formats the value using the given formatter. Read more

impl Display for PolarsError[src]

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

Formats the value using the given formatter. Read more

impl Error for PolarsError[src]

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

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

fn backtrace(&self) -> Option<&Backtrace>[src]

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

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

fn description(&self) -> &str1.0.0[src]

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

Read more

fn cause(&self) -> Option<&dyn Error>1.0.0[src]

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ArrowError> for PolarsError[src]

fn from(source: ArrowError) -> Self[src]

Performs the conversion.

impl From<Error> for PolarsError[src]

fn from(source: Error) -> Self[src]

Performs the conversion.

impl From<Error> for PolarsError[src]

fn from(source: Error) -> Self[src]

Performs the conversion.

impl From<Error> for PolarsError[src]

fn from(source: Error) -> Self[src]

Performs the conversion.

impl From<ParquetError> for PolarsError[src]

fn from(source: ParquetError) -> Self[src]

Performs the conversion.

impl From<PolarsError> for PolarsError[src]

fn from(source: PolarsError) -> Self[src]

Performs the conversion.

Auto Trait Implementations

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T, U> Cast<U> for T where
    U: FromCast<T>, 

pub fn cast(self) -> U

Numeric cast from self to T.

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T> FromCast<T> for T

pub fn from_cast(t: T) -> T

Numeric cast from T to Self.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

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

impl<T> ToCell for T where
    T: ToString, [src]

pub fn to_cell(self) -> Cell[src]

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

pub default fn to_string(&self) -> String[src]

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

pub fn vzip(self) -> V