Struct CollectionQuery 

pub struct CollectionQuery<'a, Root, Item> { /* private fields */ }

Query builder for collection keypaths (KpType where value is Vec<Item>).

Implementations

impl<'a, Root, Item> CollectionQuery<'a, Root, Item>

pub fn new(keypath: &'a KpType<'a, Root, Vec<Item>>) -> Self

pub fn filter<F>(self, predicate: F) -> Self

where F: Fn(&Item) -> bool + 'a,

pub fn limit(self, n: usize) -> Self

pub fn offset(self, n: usize) -> Self

pub fn execute(&self, root: &'a Root) -> Vec<&'a Item>

pub fn count(&self, root: &'a Root) -> usize

pub fn exists(&self, root: &'a Root) -> bool

pub fn first(&self, root: &'a Root) -> Option<&'a Item>