Trait Merge

pub trait Merge {
    type Item;

    // Required method
    fn insert(&mut self, item: Self::Item);
}

For collections that can be built from single elements.

Used by #[derive(FromSqlRow)] when a field is tagged with the attribute #[row(merge)].

Required Associated Types

type Item

The type of item being merged.

Required Methods

fn insert(&mut self, item: Self::Item)

Insert one item into this collection.

Implementations on Foreign Types

impl<T> Merge for BTreeSet<T>

where T: Ord,

type Item = T

fn insert(&mut self, item: T)

impl<T> Merge for Vec<T>

type Item = T

fn insert(&mut self, item: T)

impl<T> Merge for HashSet<T>

where T: Hash + Eq,

type Item = T

fn insert(&mut self, item: T)

Implementors