Trait Exists

pub trait Exists {
    // Required method
    fn exists(&self, id: &oid) -> bool;
}

Check if an object is present in an object store.

Required Methods

fn exists(&self, id: &oid) -> bool

Returns true if the object exists in the database.

Implementations on Foreign Types

impl<T> Exists for &T

where T: Exists,

fn exists(&self, id: &oid) -> bool

impl<T> Exists for Box<T>

where T: Exists,

fn exists(&self, id: &oid) -> bool

impl<T> Exists for Rc<T>

where T: Exists,

fn exists(&self, id: &oid) -> bool

impl<T> Exists for Arc<T>

where T: Exists,

fn exists(&self, id: &oid) -> bool

Implementors

impl Exists for Never