Jade is a programming language written in Rust. It supports value types (int, float, bool, str, arrays, dicts, and user-defined structs), let variable bindings, fn function definitions with return, anonymous closures (|x| x * 2), first-class functions, recursion, if/elif/else control flow, while loops, for loops over arrays, try/catch/raise exception handling, struct definitions with field access and mutation, extend blocks for methods, interface definitions, multi-file use imports, print and le