pub fn deserialize<'de, D, T, V>(deserializer: D) -> Result<T, D::Error> where
    T: DuplicateInsertsFirstWinsSet<V>,
    V: Deserialize<'de>,
    D: Deserializer<'de>, 
👎 Deprecated:

This function does nothing. Remove the attribute. Serde’s default behavior is to use the first value when deserializing a set.

Expand description

Deserialize a set and keep the first of equal values