Struct BorrowedDataset 

pub struct BorrowedDataset<'a> { /* private fields */ }

Borrowed dataset avoiding a duplicate row allocation for existing slices.

Implementations

impl<'a> BorrowedDataset<'a>

pub const fn new(rows: &'a [DataRow]) -> Self

Borrows rows in their existing stable source order.

Trait Implementations

impl Dataset for BorrowedDataset<'_>

fn row_count_hint(&self) -> Option<u64>

Optional exact row count.

fn visit_rows_until( &self, visitor: &mut dyn FnMut(u64, &DataRow) -> Result<bool>, ) -> Result<()>

Visits rows in stable order until the visitor returns false.

fn visit_rows( &self, visitor: &mut dyn FnMut(u64, &DataRow) -> Result<()>, ) -> Result<()>

Visits every row without requiring full materialization.