Trait Writer 

pub trait Writer: Write + Seek {
    // Required method
    fn set_len(&mut self, size: u64) -> Result<(), SparseError>;
}

A union trait for Write and Seek that also allows truncation.

Required Methods

fn set_len(&mut self, size: u64) -> Result<(), SparseError>

Sets the length of the output stream.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl Writer for Cursor<Vec<u8>>

fn set_len(&mut self, size: u64) -> Result<(), SparseError>

impl Writer for File

fn set_len(&mut self, size: u64) -> Result<(), SparseError>

Implementors