软件篋mod_trait_exerci

学习内容

• 学习软件篋文件、模块与程序结构
• 了解和学习动态调度关键词dyn
• 学习和理解动态与静态调度（Static vs Dynamic Dispatch）
• 衔接类型关键词trait作用

参考资料

• rust_testing_mocking/slides/2113/testing_in_rust_by_donald_whyte.pdf
• std keyword dyn
• dyn-trait-for-trait-objects
• rust-traits-and-trait-objects
• a_quick_look_at_trait_objects_in_rust
• Code
• what-makes-something-a-trait-object
• Dynamic_dispatch
• reference identifiers
• rust-traits-and-trait-objects
• traits-on-generics
• learning-generics-in-rust
• generic-returns-in-rust
• writing-a-hashmap-to-struct-procedural-macro-in-rust
• impls_and_traits