Type Alias PairResult

pub type PairResult<T> = Result<Option<(<T as Table>::Key, <T as Table>::Value)>, DatabaseError>;

A fallible key-value pair that may or may not exist.

The Result represents that the operation might fail, while the Option represents whether or not the entry exists.

Aliased Type

pub enum PairResult<T> {
    Ok(Option<(<T as Table>::Key, <T as Table>::Value)>),
    Err(DatabaseError),
}

Variants

Ok(Option<(<T as Table>::Key, <T as Table>::Value)>)

Contains the success value

Err(DatabaseError)

Contains the error value

Layout

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.