Trait Length 

pub trait Length {
    // Required method
    fn len(&self) -> u64;
}

Length should return the total number of bytes in the input source. It’s mainly used to read the metadata, which is at the end of the source.

Required Methods

fn len(&self) -> u64

Returns the amount of bytes of the inner source.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl Length for Bytes

fn len(&self) -> u64

impl Length for File

fn len(&self) -> u64

Implementors