Method write

crates/openshell-server/src/multiplex.rs:1232–1235

(&mut self, buf: &[u8])

    impl std::io::Write for TraceBuf {
        fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
            self.0.lock().unwrap().extend_from_slice(buf);
            Ok(buf.len())
        }

        fn flush(&mut self) -> std::io::Result<()> {
            Ok(())