Little cleanups

Author: sfackler

src/lib.rs

@@ -919,7 +919,7 @@ impl Connection {
     /// let conn = Connection::connect(url, TlsMode::None).unwrap();
     /// ```
     ///
-    /// To connect building a `ConnectParams` struct manually:
+    /// To connect with a manually constructed `ConnectParams`:
     /// ```rust,no_run
     /// use postgres::{Connection, TlsMode};
     /// use postgres::params::{UserInfo, ConnectParams, ConnectTarget};

src/types/mod.rs

@@ -442,7 +442,7 @@ impl FromSql for HashMap<String, Option<String>> {
                 _: &SessionInfo)
                 -> Result<HashMap<String, Option<String>>, Box<Error + Sync + Send>> {
         try!(types::hstore_from_sql(raw))
-            .map(|(k, v)| (k.to_owned(), v.map(|v| v.to_owned())))
+            .map(|(k, v)| (k.to_owned(), v.map(str::to_owned)))
             .collect()
     }