Struct Pagination

pub struct Pagination {
    page: u32,
    limit: u32,
}

Represents the URL query parameters page and limit, used for paginating database queries.

Fields

page: u32

limit: u32

Implementations

impl Pagination

pub fn new(page: u32, limit: u32) -> Result<Pagination, Error>

Errors on non-positive page or limit values.

pub fn page(&self) -> i64

Guaranteed to be positive.

pub fn limit(&self) -> i64

Guaranteed to be positive.

pub fn offset(&self) -> i64

Guaranteed to be nonnegative.

pub fn total_pages(&self, total_count: u32) -> u32

Guaranteed to be positive.

pub fn paginate<T>(&self, v: &mut Vec<T>)

Helper to paginate an existing Vec efficiently.

pub fn next_page(&mut self)

Trait Implementations

impl Clone for Pagination

fn clone(&self) -> Pagination

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Pagination

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

Formats the value using the given formatter.

impl Default for Pagination

fn default() -> Pagination

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Pagination

fn deserialize<D>( deserializer: D, ) -> Result<Pagination, <D as Deserializer<'de>>::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Copy for Pagination