Function concordium_std::serial_map_no_length

pub fn serial_map_no_length<'a, W, K, V>(
    map: &BTreeMap<K, V>, 
    out: &mut W
) -> Result<(), <W as Write>::Err> where
    K: 'a + Serial,
    V: 'a + Serial,
    W: Write, 

Write a Map as a list of key-value pairs ordered by the key, without the length information.