lucky

Catches routing errors, missing page dependencies, and nil handling during compilation, as shown in the HTML example where forgetting to pass a needed variable fails at compile-time.

Provides autocompletion and validation for column names and types in queries, preventing SQL errors and improving refactoring, evident in the UserQuery example with methods like lower and gt.

Uses Crystal methods for HTML with automatic tag closing and whitespace removal, making templates easy to read and refactor, as demonstrated in the IndexPage code with extracted private methods.

Built on Crystal for native execution speed and low memory usage, ensuring applications are fast without extra optimization, highlighted in the key features as a core design goal.