Add a reference to the related crate pg_named_args

Author: rudolphfroger

README.md

@@ -32,6 +32,12 @@ TLS support for postgres and tokio-postgres via native-tls.
 
 TLS support for postgres and tokio-postgres via openssl.
 
+## Related crates
+
+- [`pg_named_args`](https://crates.io/crates/pg_named_args) enables one to use
+  named arguments in queries. The provided macro converts the named arguments to
+  positional arguments at compile time.
+
 # Running test suite
 
 The test suite requires postgres to be running in the correct configuration. The easiest way to do this is with docker:

postgres/src/lib.rs

@@ -64,6 +64,12 @@
 //! | `with-uuid-1` | Enable support for the `uuid` crate. | [uuid](https://crates.io/crates/uuid) 1.0 | no |
 //! | `with-time-0_2` | Enable support for the 0.2 version of the `time` crate. | [time](https://crates.io/crates/time/0.2.0) 0.2 | no |
 //! | `with-time-0_3` | Enable support for the 0.3 version of the `time` crate. | [time](https://crates.io/crates/time/0.3.0) 0.3 | no |
+//!
+//! # Related crates
+//!
+//! - [`pg_named_args`](https://crates.io/crates/pg_named_args) enables one to use named arguments
+//!   in queries. The provided macro converts the named arguments to positional arguments at compile
+//!   time.
 #![warn(clippy::all, rust_2018_idioms, missing_docs)]
 
 pub use fallible_iterator;

tokio-postgres/src/lib.rs

@@ -116,6 +116,12 @@
 //! | `with-uuid-1` | Enable support for the `uuid` crate. | [uuid](https://crates.io/crates/uuid) 1.0 | no |
 //! | `with-time-0_2` | Enable support for the 0.2 version of the `time` crate. | [time](https://crates.io/crates/time/0.2.0) 0.2 | no |
 //! | `with-time-0_3` | Enable support for the 0.3 version of the `time` crate. | [time](https://crates.io/crates/time/0.3.0) 0.3 | no |
+//!
+//! # Related crates
+//!
+//! - [`pg_named_args`](https://crates.io/crates/pg_named_args) enables one to use named arguments
+//!   in queries. The provided macro converts the named arguments to positional arguments at compile
+//!   time.
 #![warn(rust_2018_idioms, clippy::all, missing_docs)]
 
 pub use crate::cancel_token::CancelToken;