Trait polars_io::mmap::MmapBytesReader

pub trait MmapBytesReader: Read + Seek + Send + Sync {
    fn to_file(&self) -> Option<&File> { ... }
    fn to_bytes(&self) -> Option<&[u8]> { ... }
}

This is supported on crate feature csv-file only.

Trait used to get a hold to file handler or to the underlying bytes without performing a Read.

Provided methods

fn to_file(&self) -> Option<&File>

fn to_bytes(&self) -> Option<&[u8]>

Implementations on Foreign Types

impl MmapBytesReader for File

fn to_file(&self) -> Option<&File>

This is supported on crate feature csv-file only.

impl<T> MmapBytesReader for Cursor<T> where
    T: AsRef<[u8]> + Send + Sync, 

fn to_bytes(&self) -> Option<&[u8]>

This is supported on crate feature csv-file only.

impl<T: MmapBytesReader + ?Sized> MmapBytesReader for Box<T>

fn to_file(&self) -> Option<&File>

This is supported on crate feature csv-file only.

fn to_bytes(&self) -> Option<&[u8]>

This is supported on crate feature csv-file only.

Implementors