Function interchange::json::encode_datums_as_json

pub fn encode_datums_as_json<'a, I>(
    datums: I, 
    names_types: &[(ColumnName, ColumnType)], 
    include_transaction: bool
) -> Value where
    I: IntoIterator<Item = Datum<'a>>, 

Encodes a sequence of Datum as JSON, using supplied column names and types.