Struct Table

pub struct Table<'b, T>
where
    T: TableLayout,
{ /* private fields */ }

A table of values from an oppened database.

Implementations

impl<'b, T> Table<'b, T>

where T: TableLayout,

pub fn get<'t, K>(&'t self, key: &K) -> Option<T>

where K: TableKey<'t, T>,

Gets an item from the table if it exists.

pub fn push(&self, element: T) -> KeyRef<'_, '_, T>

pushes a new value at the end of the table.

pub fn set<'t, K>(&'t self, key: &K, value: T)

where K: TableKey<'t, T>,

Sets an entry of the table to a certain value.

pub fn delete<'t, K>(&'t self, key: &K)

where K: TableKey<'t, T>,

pub fn update<'t, K, F>(&'t self, key: &K, op: F)

where K: TableKey<'t, T>, F: FnOnce(&mut Option<T>),

updates an entry. If it did not existed but Some(_) is set by the closure, then it is stored. If it existed but None is set by the closure, then it is deleted.

pub fn keys<'t>(&'t self) -> impl Iterator<Item = KeyRef<'t, 'b, T>>

pub fn iter<'t>(&'t self) -> impl Iterator<Item = (KeyRef<'t, 'b, T>, T)>

Trait Implementations

impl<'b, T> Debug for Table<'b, T>

where T: TableLayout + Debug,

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

Formats the value using the given formatter.