Feature Status

Current version: 0.2.0-alpha (released)

✅ Complete Features #

Core Language #

• Variables & Constants: let declarations, immutable by default
• Data Types: int, string, bool, basic type inference
• Functions: Function declarations, expression bodies, named arguments (2+ params)
• String Interpolation: ${} syntax with expressions
• Pattern Matching: Basic match expressions, wildcards, type annotation patterns
• Block Expressions: Local scoping, multi-statement blocks
• Arithmetic Operations: Safe arithmetic returning Result types
• Boolean Operations: Logical operators and boolean expressions

Advanced Features #

• Functional Programming:
  • Complete iterator functions (range, forEach, map, filter, fold)
  • Stream fusion optimization for zero-cost abstractions
  • Pipe operator (|>) for elegant composition
  • Function chaining with compile-time optimization
• Union Types: Algebraic data types with pattern matching and exhaustiveness checking
• Any Type Handling: Explicit any types with pattern matching requirement
• Result Types: Error handling without exceptions
• Type Safety: No implicit conversions, compile-time type checking

Concurrency & HTTP #

• Fiber-based Concurrency:
  • Lightweight fiber spawning with spawn
  • Fiber isolation and communication
  • await, yield operations
• HTTP Server:
  • Server creation (httpCreateServer)
  • Request handling with all methods (GET, POST, PUT, DELETE)
  • Concurrent request processing
• HTTP Client:
  • Client creation (httpCreateClient)
  • All HTTP methods with custom headers
  • Request/response handling
• WebSocket Support:
  • WebSocket server and client connections
  • Real-time bidirectional communication
  • Military-grade security implementation

Built-in Functions #

• I/O: print(), input(), toString()
• String Utilities: length(), contains(), substring()
• File System: writeFile(), readFile() (with Result types)
• Process Operations: spawnProcess(), sleep()
• Functional Iterators: Complete pipe operator support
• Safe Math: All arithmetic operations return Result types

🚧 Roadmap Features #

Type System Extensions #

• Record Types with Constraints: where clause validation (partially implemented)
• Generic Types: Type parameters and polymorphism
• Module System: Fiber-isolated modules with proper imports

Advanced Language Features #

• Extern Declarations: Full Rust/C interoperability (syntax ready)
• Advanced Pattern Matching: Constructor patterns with guards
• Select Expressions: Channel multiplexing for concurrent operations
• Streaming Responses: Large HTTP response streaming

Tooling & Ecosystem #

• Package Manager: Dependency management system
• Standard Library: Comprehensive built-in functions
• REPL: Interactive development environment
• Language Server: Full IDE support beyond VS Code extension

Performance & Optimization #

• Compile-time Optimization: Dead code elimination, inlining
• Memory Management: Advanced memory safety features
• Rust Integration: Seamless Rust library integration

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Note: Features marked as complete have working examples in the examples/tested/ directory and pass integration tests.