Struct ExtSorter

pub struct ExtSorter<T> { /* private fields */ }

Sort the data

Implementations

impl<T> ExtSorter<T>

where T: Sortable<BufWriter<File>, BufReader<File>>, T::Error: From<Error>,

pub fn new(buffer_n_items: usize) -> Result<Self>

Create an ExtSorter to sort your data.

It will buffer buffer_n_items items in memory and sort them, and then write them serialized into temporary files.

pub fn new_in<P: AsRef<Path>>(buffer_n_items: usize, tmp_dir: P) -> Result<Self>

Same as new but provide a directory to store temporary files instead of system default.

pub fn sort<I>( &self, unsorted: I, ) -> Result<ExtSortedIterator<T, BufReader<File>, BufWriter<File>>, T::Error>

where I: Iterator<Item = T>,

Sort the data.

It returns an iterator to produce sorted results. The sort is unstable.