Function ruma::serde::vec_as_map_of_empty::deserialize

pub fn deserialize<'de, D, T>(
    deserializer: D
) -> Result<Vec<T, Global>, <D as Deserializer<'de>>::Error> where
    D: Deserializer<'de>,
    T: Deserialize<'de> + Eq + Ord, 

Deserialize an object and return the keys as a Vec<T>.