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Eureka\n\nEureka is a fast, interpreted programming language with native FFI support and a clean syntax designed for simplicity and performance.\n\n## Features\n\n- **Fast execution**: Sub-millisecond startup and execution times\n- **Native FFI**: Direct integration with C libraries without compilation\n- **Clean syntax**: Simple, readable code structure\n- **Type system**: Static typing with type inference\n- **Standard library**: Built-in functions for I/O, type conversion, and more\n\n## Quick Start\n\n### Installation\n\n```bash\ngit clone https://github.com/fernandothedev/eureka.git\ncd eureka\ndub build\n```\n\n### Hello World\n\n```rust\nextern func void eprintln(msg str, ...);\neprintln(\"Hello, World!\")\n```\n\nRun with:\n\n```bash\n./eureka hello.ek -L stdlib/iolib.so\n```\n\n## Language Features\n\n### Variables and Types\n\n```rust\nlet name str = \"Fernando\"\nlet age int = 17\nlet active bool = true\nlet pi_1 float = 3.141592f\nlet pi_2 double = 3.141592 // or 3.141592d\nlet pi_3 real = 3.141592r\n```\n\n### Functions\n\n```rust\nfunc int sum(x int, y int) {\n    return x + y\n}\n\nlet result int = sum(10, 20)\n```\n\n### If/Else\n\n```rust\nextern func void print(...);\nextern func void println(...);\nextern func int toInt(...);\nextern func str input(msg str);\n\nlet x int = toInt(input(\"x: \"))\nlet y int = toInt(input(\"y: \"))\n\nif x == y\n    println(\"equals\")\nelse if x \u003e y\n    println(\"well well well\")\nelse {\n    print(\"holy\")\n    println(\"shit\")\n}\n\n```\n\n### FFI (Foreign Function Interface)\n\nEureka supports direct calls to C libraries:\n\n```rust\nextern func void eprintf(format str, ...);\nextern func str input(prompt str);\n\nlet name str = input(\"Enter your name: \")\neprintf(\"Hello, %s!\\n\", name)\n```\n\n### String Operations\n\n```rust\nextern func void eprintf(format str, ...);\n\nlet first str = \"Hello\"\nlet second str = \"World\"\nlet message str = first + \" \" + second\neprintln(message)  // Output: Hello World\n```\n\n## Standard Library\n\nThe built-in standard library provides essential functions:\n\n- `print()`, `println()`, `eprintf()` - Output functions\n- `input()` - Interactive input\n- `toString()`, `toInt()`, `toBool()` - Type conversions\n- `strlen()` - String utilities\n\n## Command Line Usage\n\n```bash\n# Run a program\n./eureka program.ek -L library.so\n\n# Debug options\n./eureka program.ek --ast        # Show AST\n./eureka program.ek --tokens     # Show tokens\n./eureka program.ek --context    # Show runtime context\n./eureka program.ek --stat       # Show performance stats\n\n# REPL mode\n./eureka --repl\n```\n\n## Examples\n\n### Basic I/O\n\n```rust\nextern func str input(prompt str);\nextern func int toInt(...);\nextern func void eprintf(format str, ...);\n\nlet name str = input(\"Name: \")\nlet age int = toInt(input(\"Age: \"))\neprintf(\"Hello %s, you are %d years old!\\n\", name, age)\n```\n\n## Performance\n\nEureka is designed for speed:\n\n- Startup time: ~3ms including library loading\n- FFI calls with minimal overhead\n- Efficient memory management\n- Function symbol caching\n\n## FFI Safety\n\nFFI calls are direct C function invocations. Users are responsible for:\n\n- Ensuring correct function signatures\n- Managing memory safety\n- Handling potential segmentation faults\n\nThis design prioritizes performance and flexibility over safety guarantees.\n\n## Building from Source\n\nRequirements:\n\n- D compiler (DMD, LDC (recommended), or GDC)\n- DUB package manager\n\n```bash\ngit clone https://github.com/fernandothedev/eureka\ncd eureka\ndub build --build=release\n```\n\n## License\n\n[MIT](LICENSE)\n\n---\n\n*Eureka - Performance meets simplicity*\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffernandothedev%2Feureka","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffernandothedev%2Feureka","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffernandothedev%2Feureka/lists"}