Trait ExactRecords

pub trait ExactRecords {
    // Required method
    fn count_rows(&self) -> usize;
}

Records extension which guarantees the amount of rows.

Required Methods

fn count_rows(&self) -> usize

Returns an exact amount of rows in records.

It must be guaranteed that an iterator will yield this amount.

Implementations on Foreign Types

impl<T> ExactRecords for &T

where T: ExactRecords,

fn count_rows(&self) -> usize

impl<T> ExactRecords for [T]

fn count_rows(&self) -> usize

impl<T> ExactRecords for Vec<T>

fn count_rows(&self) -> usize

Implementors

impl<T> ExactRecords for VecRecords<T>