# Completed Features - Session 2025-01-16 (Afternoon)

## Features Completed in This Session

### 1. ✅ Async/Await Support
- **Completed**: 2025-01-16 15:00
- **Implementation Details**:
  - Added `async` and `await` tokens to lexer
  - Extended AST with `is_async` flag on functions
  - Added `Await` expression variant
  - Implemented type inference for async functions
  - Transpiles to Rust async/await syntax
  - Full test coverage with passing tests

### 2. ✅ Vec Extension Methods
- **Completed**: 2025-01-16 15:10
- **Methods Implemented**:
  - `sorted()` - Returns sorted copy of vector
  - `sum()` - Sums all elements
  - `reversed()` - Returns reversed copy
  - `unique()` - Returns unique elements
  - `min()` - Returns minimum element (Option)
  - `max()` - Returns maximum element (Option)
- **Implementation Details**:
  - Added type inference for all methods
  - Transpiles to idiomatic Rust iterator chains
  - Fixed parser to handle method calls on list literals
  - Full test coverage

### 3. ✅ Try/Catch Syntax
- **Completed**: 2025-01-16 15:20
- **Implementation Details**:
  - Added `try` and `catch` tokens to lexer
  - Created `TryCatch` AST node
  - Type inference ensures both blocks return same type
  - Transpiles to Rust `match` on `Result` type
  - Catch variable binds to error value
  - Full test coverage

### 4. ✅ Coverage Command Fix
- **Completed**: 2025-01-16 15:30
- **Fix Details**:
  - Split HTML and LCOV report generation
  - Fixed deprecation warnings
  - Coverage now at 76.37%
  - Both HTML and LCOV reports generate correctly

## Code Quality Metrics
- **Test Count**: 192 tests, all passing
- **Coverage**: 76.37% line coverage
- **Linting**: Zero clippy warnings
- **SATD**: Zero TODO/FIXME/HACK comments