use std::io::{Result, Write};
pub static ZEROS: [u8; 8096] = [0u8; 8096];
pub trait WriteZerosExt {
/// Write `len` zeros to the writer.
fn write_zeros(&mut self, len: usize) -> Result<()>;
}
impl<W: Write> WriteZerosExt for W {
fn write_zeros(&mut self, mut len: usize) -> Result<()> {
while len > 0 {
len -= self.write(&ZEROS[..ZEROS.len().min(len)])?;
}
Ok(())
}
}