[Rust] Make Rust gen slightly more idiomatic#6247

wing328 merged 6 commits intoswagger-api:rust_generatorswagger-api/swagger-codegen:rust_generatorfrom

quodlibetor:rust-gen-slightly-more-idiomaticquodlibetor/swagger-codegen:rust-gen-slightly-more-idiomaticCopy head branch name to clipboard