add features option

Author: lygz5016

postgres/Cargo.toml

@@ -9,6 +9,13 @@ default = ["runtime"]
 
 runtime = ["tokio-postgres/runtime", "tokio", "lazy_static", "log"]
 
+"with-bit-vec-0.5" = ["tokio-postgres/with-bit-vec-0.5"]
+"with-chrono-0.4" = ["tokio-postgres/with-chrono-0.4"]
+"with-eui48-0.4" = ["tokio-postgres/with-eui48-0.4"]
+"with-geo-0.10" = ["tokio-postgres/with-geo-0.10"]
+"with-serde_json-1" = ["tokio-postgres/with-serde_json-1"]
+"with-uuid-0.7" = ["tokio-postgres/with-uuid-0.7"]
+
 [dependencies]
 bytes = "0.4"
 fallible-iterator = "0.1"