Henry Blanchette rybla

Based on Slrj.chat.md; inspired by a conversation with aljce

User

You are a knowledgeable programming languages assistant. You help the user analyze a new programming language.

Aljc is a new programming language. The grammar of Aljc expressions is defined as follows, where x is any Aljc expression and A, B, and C are atomic values.

x ::= A | B | C | (x x)

	const serve_dir = "docs"
	const port = 8000;

	Bun.serve({
	port,
	async fetch(req) {
	const url_str = req.url.endsWith("/") ? `${req.url}index.html` : req.url
	const url = new URL(url_str);
	const filePath = `${serve_dir}${url.pathname}`;
	console.log(`GET ${filePath}`)

	-- Solution 2: using breadth-first search

	module Main where

	import Prelude

	import Data.Array as Array
	import Data.Foldable (foldM, traverse_)
	import Data.Traversable (traverse)
	import Data.Tuple.Nested ((/\))

	import Control.Alternative (empty)
	import Data.Generic.Rep (class Generic)
	import Data.Map (Map)
	import Data.Map as Map
	import Data.Maybe (fromJust)
	import Data.Show.Generic (genericShow)
	import Effect (Effect)
	import Effect.Class.Console as Console
	import Effect.Ref as Ref
	import Effect.Unsafe (unsafePerformEffect)

	import Prelude

	import Effect (Effect)
	import Effect.Aff (launchAff_)
	import Effect.Class (liftEffect)
	import Effect.Class.Console as Console
	import Node.Encoding (Encoding(..))
	import Node.EventEmitter (on_, once_)
	import Node.FS.Sync as FS
	import Node.HTTP (createServer)

	module Main where

	import Prelude

	import Effect (Effect)
	import Effect.Aff.Class (class MonadAff)
	import Halogen as H
	import Halogen.Aff as HA
	import Halogen.HTML as HH
	import Halogen.VDom.Driver as HVD

	// while iterating, have a `mut bindings: Vec<Bindings>`
	// have a structure of Scopes that contain references to values in `bindings`
	// a Binding doesn't refer to a Scope
	// at the end, return `bindings`, so Scopes cannot own anything in bindings

	// mutable reference is a subtype of immutable reference
	fn example<'source>(
	bindings: &mut Vec<Box<Binding<'source>>>,
	names: Vec<&'source str>,
	) {

	module Languages.IntrinsicallyTypedLambdaCalculus where

	import Prelude hiding (($), type (~>))

	import Data.Symbol (class IsSymbol)
	import Prim.Row (class Cons)
	import Type.Proxy (Proxy(..))

	-- =============================================================================

	/*
	The idea of this implementation is that a row (`Row`) serves as the
	specification of either:
	- a record (`Record<T extends Row>`) which is an object that, for each of the
	elements of the row, has a key-value mapping from the element's tag to the
	element's domain
	- a variant (`Variant<T extends Row>`) which is a union of the row elements.
	*/

	type Tuple = any[]

	module Data.MyExistsConstrained where

	import Prelude
	import Unsafe.Coerce (unsafeCoerce)

	-- Suppose you want to use an existentially-quantified type. You can use the
	-- `exists` package, which defines `Exists` likes so:

	foreign import data Exists :: (Type -> Type) -> Type