Method emit_map

src/encode.rs:1180–1185

(&mut self, len: usize, f: F)

    }

    fn emit_map<F>(&mut self, len: usize, f: F) -> Result<(), Error>
        where F: FnOnce(&mut Self) -> Result<(), Error>
    {
        try!(write_map_len(&mut self.wr, len as u32));
        f(self)
    }

    fn emit_map_elt_key<F>(&mut self, _idx: usize, f: F) -> Result<(), Error>
        where F: FnOnce(&mut Self) -> Result<(), Error>