Getting started

Install the public compiler

Check the public compiler’s releases for available packages. Follow the installation guide for your operating system, prerequisites, checksum verification, and provenance. An available specification profile does not guarantee that a matching package has been published or qualified for your host.

Extract the package into a user-owned directory. Add its bin directory to PATH, or invoke bin/kelft (bin/kelft.exe on Windows) by its full path. Installed native compilation needs no Node, Rust, or C development tools. Building the website is a separate developer task with its own Node dependencies.

Write a program

Save the public compiler’s hello example as hello.kelft:

fn main() -> void { println("Hello, Kelft!"); }

From that directory:

kelft version
kelft check hello.kelft --json
kelft build hello.kelft -o hello
kelft run hello.kelft --project-root .

On Windows use -o hello.exe for the build output. The output directory must already exist. build creates an executable; run compiles and executes through the platform boundary. Follow the public installation guide for host requirements and command exit codes.

Choose your next step

Read Core for executable source or Intent for declarations and verification contracts. See examples for both forms. Install Kelft editor support for highlighting and compiler integration; follow its README for current features and distribution options.