Struct polars::prelude::BatchedCsvReader
source · pub struct BatchedCsvReader<'a> { /* private fields */ }
Available on crate feature
polars-io
only.Implementations§
source§impl<'a> BatchedCsvReader<'a>
impl<'a> BatchedCsvReader<'a>
pub fn next_batches( &mut self, n: usize ) -> Result<Option<Vec<DataFrame>>, PolarsError>
Auto Trait Implementations§
impl<'a> Freeze for BatchedCsvReader<'a>
impl<'a> !RefUnwindSafe for BatchedCsvReader<'a>
impl<'a> Send for BatchedCsvReader<'a>
impl<'a> Sync for BatchedCsvReader<'a>
impl<'a> Unpin for BatchedCsvReader<'a>
impl<'a> !UnwindSafe for BatchedCsvReader<'a>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more