Facilis - A Low Level Functional Language
CSharpIsGud (646)

Facilis is a strongly typed functional language that aims to be low level. Facilis uses a hand-written recursive descent parser made with love.

Factorial Example

impure foreign putchar(c of u8) -> void
impure foreign tostr(num of void*) -> string

impure write(str of string, start of i32) -> void {

	if start != str.length() {
		write(str, start + 1)

pure fact(i of i32) -> i32 {
	if i == 1 {
		return i

	return i * fact(i - 1)

impure main() -> i32 {
    write(tostr(fact(6)), 0)

Demo: https://repl.it/@Facilislang/FacilisDemo#README.md
^ Has a user/password login program loaded by default. Read the README!

Source: https://repl.it/@Facilislang/Facilis
^ 2072 lines of C++!

@CSharpIsGud @Subarashi @xxpertHacker

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xxpertHacker (553)

@Jakman The language is 100% useless without the impure keyword, although if you wanted a CPU warming program, of course, Facilis is just for you! Even Haskell has some impurity.

Now seriously, there are other problems, the if statement is useless, as there is no way to use it without creating impure code, unless it's followed by an else, in which case it's better, but the only genuine use I could imagine would be an if else in which both statements return a value, besides that there's little to no use.

void only has use in impure code, a void function is automatically impure. There's plenty of other things I can't even begin to think of at the moment. We almost had mutable variables too!