#[macro_use] extern crate pretty_assertions; #[macro_use] extern crate derive_builder; pub mod foo { #[derive(Debug, PartialEq, Default, Builder, Clone)] #[builder(private, setter(into))] pub struct Lorem { pub private: String, #[builder(public)] pub public: String, } #[derive(Debug, PartialEq, Default, Builder, Clone)] #[builder(public, setter(into))] pub struct Ipsum { #[builder(private)] pub private: String, pub public: String, } #[test] fn setters_same_module() { let x = LoremBuilder::default() .public("Hello") .private("world!") .build() .unwrap(); assert_eq!( x, Lorem { public: "Hello".into(), private: "world!".into(), } ); let y = IpsumBuilder::default() .public("Hello") .private("world!") .build() .unwrap(); assert_eq!( y, Ipsum { public: "Hello".into(), private: "world!".into(), } ); } } #[test] fn public_setters_foreign_module() { let error = foo::IpsumBuilder::default() .public("Hello") .build() .unwrap_err(); assert_eq!(&error.to_string(), "`private` must be initialized"); }