Method output

examples/min-platform/embedding/src/wasi.rs:185–202

Collect all of the output written to stdout and stderr into a simple human-readable string, to be written to out_buf from run_wasi on success. Lossy utf8 conversion because this is an example.

(&self)

    // human-readable string, to be written to out_buf from run_wasi on
    // success. Lossy utf8 conversion because this is an example.
    fn output(&self) -> Result<String> {
        let mut out = String::new();
        let stdout = self.stdout.log.borrow();
        if !stdout.is_empty() {
            write!(&mut out, "stdout:\n")?;
            for chunk in stdout.iter() {
                write!(&mut out, "{}", String::from_utf8_lossy(chunk))?;
            }
        }
        let stderr = self.stderr.log.borrow();
        if !stderr.is_empty() {
            write!(&mut out, "stderr:\n")?;
            for chunk in stderr.iter() {
                write!(&mut out, "{}", String::from_utf8_lossy(chunk))?;
            }
        }
        Ok(out)
    }
}

// Add the minimum number of wasi interfaces to the Linker to instantiate the