Trait mz_storage::source::MaybeLength

pub trait MaybeLength {
    fn len(&self) -> Option<usize>;
}

Types that implement this trait expose a length function

Required Methods

fn len(&self) -> Option<usize>

Returns the size of the object

Implementations on Foreign Types

impl MaybeLength for ()

fn len(&self) -> Option<usize>

impl MaybeLength for Vec<u8>

fn len(&self) -> Option<usize>

impl MaybeLength for Row

fn len(&self) -> Option<usize>

impl MaybeLength for Value

fn len(&self) -> Option<usize>

impl<T: MaybeLength> MaybeLength for Option<T>

fn len(&self) -> Option<usize>

Implementors