rust-lifetime-complex
高级生命周期与类型系统
核心问题
为什么这个类型转换就是编译不过？
类型系统的边界往往出乎意料。
HRTB + dyn Trait Object 冲突
问题代码
// ❌ HRTB 不能装进 dyn trait object
pub type ConnFn<T> =
dyn for<'c> FnOnce(&'c mut PgConnection) -> BoxFuture<'c, T> + Send;
More from huiali/rust-skills
rust-performance
Performance optimization expert covering profiling, benchmarking, memory allocation, SIMD, cache optimization, false sharing, lock contention, and NUMA-aware programming.
17rust-anti-pattern
Rust anti-patterns and common mistakes expert. Handles code review issues with clone abuse, unwrap in production, String misuse, index loops, and refactoring guidance.
14rust-type-driven
Type-driven design expert covering newtype pattern, type state, PhantomData, marker traits, builder pattern, compile-time validation, sealed traits, and zero-sized types (ZST).
13rust-actor
Actor model expert covering message passing, state isolation, supervision trees, deadlock prevention, fault tolerance, Actix framework, and Erlang-style concurrency patterns.
13rust-ecosystem
Rust ecosystem expert covering crate selection, library recommendations, framework comparisons, async runtime choices (tokio, async-std), and common tools.
13rust-ffi
FFI cross-language interop expert covering C/C++ bindings, bindgen, cbindgen, PyO3, JNI, memory layout, data conversion, and safe FFI patterns.
13