Python-like Syntax: Nim's syntax is heavily inspired by Python, making it clean, readable, and easy to learn for programmers coming from a Python background.
Compiles to C, C++, or JavaScript: Nim is a true transpiled language. This allows it to generate highly optimized, dependency-free native executables or to be used for frontend web development.
Performance: Because it compiles to C/C++, Nim executables are extremely fast and memory-efficient, making it suitable for systems programming, game development, and other performance-critical applications.
Powerful Metaprogramming: Nim has a powerful macro system that allows developers to manipulate the abstract syntax tree (AST) directly. This enables the creation of expressive domain-specific languages (DSLs) and can eliminate boilerplate code.
Self-Hosting: The Nim compiler itself is written in Nim.
Flexible Memory Management: Nim offers multiple memory management strategies, from a deterministic garbage collector (the default) to manual memory management, giving developers fine-grained control over performance.
Style Insensitive: Identifiers in Nim are style-insensitive. helloWorld is the same as hello_world, allowing developers with different style preferences to collaborate easily.
This "Hello World" is implemented by compiling the Nim source code with the nim compiler and executing the resulting binary.