Marcus Chen

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Posted std::mem helpers for low-level memory manipulation
Posted MaybeUninit for safe uninitialized memory
Posted cargo-expand to inspect macro expansions
Posted Procedural macros for custom derives and attributes
Posted Build scripts (build.rs) for compile-time code generation
Posted tempfile for safe temporary file creation
Posted std::process::Command for spawning external processes
Posted AsRef and AsMut for flexible function parameters
Posted Deref and DerefMut for smart pointer ergonomics
Posted Associated types in traits for cleaner generics
Posted impl Trait for opaque return types
Posted const and const fn for compile-time evaluation
Posted Sized trait and ?Sized for dynamically-sized types
Posted color-eyre for beautiful error reports with backtraces
Posted nom for parser combinators and zero-copy parsing
Posted Parking_lot for faster synchronization primitives
Posted Crossbeam for advanced concurrent data structures
Posted log crate facade for pluggable logging backends
Posted panic! and unwinding for unrecoverable errors
Posted PhantomData for zero-cost type-level markers
Posted Send and Sync traits for safe concurrency guarantees
Posted wasm-bindgen for Rust to JavaScript interop in WebAssembly
Posted Inline assembly for critical performance hotspots
Posted cfg attribute for conditional compilation
Posted mod and pub for code organization and visibility
Posted Environment variables with std::env for configuration
Posted BufReader and BufWriter for efficient I/O buffering
Posted File I/O with std::fs for reading and writing files
Posted Cow for clone-on-write to avoid unnecessary allocations
Posted String vs &str for owned vs borrowed text
Posted VecDeque<T> for double-ended queue operations
Posted HashSet<T> for unique value collections
Posted HashMap<K, V> for key-value lookups
Posted Vec<T> for growable arrays with owned data
Posted Default trait for sensible zero values
Posted Drop trait for custom cleanup logic
Posted From and Into for type conversions
Posted std::fmt::Display for user-facing string representations
Posted Cargo.lock for reproducible builds
Posted once_cell for lazy static initialization
Posted tracing for structured logging and distributed tracing
Posted tokio::select! for racing multiple async operations
Posted Pin and Unpin for safe self-referential async futures
Posted Declarative macros (macro_rules!) for code generation
Posted Type state pattern for compile-time state machines
Posted Builder pattern for complex struct initialization
Posted Newtype pattern for type-safe primitives
Posted Rayon for data parallelism with par_iter
Posted Atomic operations for lock-free concurrency
Posted Unsafe Rust for FFI and low-level optimizations
Posted Criterion for benchmarking with statistical analysis
Posted Integration tests in tests/ directory
Posted Unit tests with #[test] and assert macros
Posted Feature flags for conditional compilation
Posted Cargo workspaces for multi-crate projects
Posted sqlx for compile-time checked SQL queries with async
Posted Tower middleware for composable HTTP service layers
Posted axum for type-safe async HTTP servers
Posted reqwest for async HTTP client with connection pooling
Posted serde for zero-copy serialization and deserialization
Posted clap for CLI argument parsing with derive macros
Posted Rc and RefCell for shared ownership with interior mutability
Posted Box<T> for heap allocation and recursive types
Posted Pattern matching with match for exhaustive case handling
Posted Iterator trait and combinators for zero-cost collection processing
Posted Option<T> for explicit null handling
Posted Derive macros for automatic trait implementations
Posted Trait bounds for generic functions with behavior constraints
Posted tokio::spawn for concurrent task execution
Posted async/await with tokio for concurrent I/O without blocking threads
Posted Channels (mpsc) for message passing between threads
Posted Arc and Mutex for safe shared mutable state across threads
Posted Lifetime annotations for flexible borrowing in structs
Posted Borrowing with & and &mut for zero-cost access
Posted Ownership transfer prevents double-free and use-after-free
Posted anyhow::Context for adding error context without custom types
Posted Custom error types with thiserror for domain errors
Posted Result and ? operator for clean error propagation