Struct EmptyRecords

pub struct EmptyRecords { /* private fields */ }

Empty representation of Records.

Implementations

impl EmptyRecords

pub fn new(rows: usize, cols: usize) -> Self

Constructs an empty representation of Records with a given shape.

Trait Implementations

impl Clone for EmptyRecords

fn clone(&self) -> EmptyRecords

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EmptyRecords

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EmptyRecords

fn default() -> EmptyRecords

Returns the “default value” for a type.

impl From<(usize, usize)> for EmptyRecords

fn from((count_rows, count_columns): (usize, usize)) -> Self

Converts to this type from the input type.

impl Records for EmptyRecords

type Iter = RepeatN<RepeatN<&'static str>>

Iterator which goes over rows.

fn iter_rows(self) -> Self::Iter

Returns a iterator over rows.

fn count_columns(&self) -> usize

Returns count of columns in the records.

fn hint_count_rows(&self) -> Option<usize>

Hint amount of rows in the records.