Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
derive_more
derive_more
adds `#[derive(x)] macros for more traits.
derive_builder
derive_builder
provides Rust macro to automatically implement the builder pattern for arbitrary structs.
A simple #[derive(Builder)] will generate a FooBuilder for your struct Foo
with all setter-methods and a build method.
derive-adhoc
derive-adhoc allows you to write macros which are driven by Rust data structures, just like proc macro derive macros, but without having to wrestle with the proc macro system.
bon
bon is a Rust crate for generating compile-time-checked builders for functions and structs.
Design Patterns
Improve your Rust APIs with the type state pattern
Constraints on Types
Please refer to Constraints on Types in Rust for detailed discussions.