What is Seal?

Seal is an interpreted dynamically typed programming language. Simplicity, minimal syntax, quick development time with less lines of code are main purposes of the language.

include std

define fib(n)
    if n == 1 or n == 0
        return 1
    return fib(n - 1) + fib(n - 2)

std::writeln(fib(9))    // output: 34