[−][src]Trait basic_tar::WriteExt

pub trait WriteExt {
    fn try_write_exact(
        &mut self, 
        data: &[u8], 
        counter: impl FnMut(usize)
    ) -> Result<(), Error>;

    fn try_fill(
        &mut self, 
        len: usize, 
        counter: impl FnMut(usize)
    ) -> Result<(), Error>;
}

An extension for Write

Required methods

fn try_write_exact(
    &mut self,
    data: &[u8],
    counter: impl FnMut(usize)
) -> Result<(), Error>

Tries to write data completely and calls the position callback pos_cb with the amount of bytes written on every successful write call

Note: This function behaves like write_exact, except that you will never loose state in case of an incomplete write - if the error is non-fatal (like TimedOut), you can always try again later from the last position as if nothing happened

fn try_fill(
    &mut self,
    len: usize,
    counter: impl FnMut(usize)
) -> Result<(), Error>

Tries to write len zero bytes and calls the position callback pos_cb with the amount of bytes written on every successful write call

Note: This function behaves similar to write_exact (without data), except that you will never loose state in case of an incomplete write - if the error is non-fatal (like TimedOut), you can always try again later if nothing happened

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Implementors

impl<T: Write> WriteExt for T[src]

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