Method write_prefix_if_needed

consumer/src/node.rs:1054–1060

(&mut self)

impl<W: fmt::Write> SpacePrefixingWriter<W> {
    fn write_prefix_if_needed(&mut self) -> fmt::Result {
        if self.need_prefix {
            self.inner.write_char(' ')?;
            self.need_prefix = false;
        }
        Ok(())
    }
}

impl<W: fmt::Write> fmt::Write for SpacePrefixingWriter<W> {