Squiggle syntax brainstorm

c-like.rb

let (
    http = require("http"),
    handler = fn(_req, res) do {
        res.writeHead(200, {"Content-Type": "text/plain"});
        res.end("Hello, world!");
    }
) do {
    http.createServer(handler).listen(1337, "127.0.0.1");
    print("Server started at http://127.0.0.1:1337/");
    
    if (P) do {
        A;
        B;
        C;
    } else do {
        D;
        E;
        F;
    };
    
    console.log(if (DEBUG) then "debug" else "production");

    xs
        .map(fn(x) x + 1)
        .reduce(fn(acc, x) acc + x)
        .forEach(fn(x, _, _) print(x));
        
    finalValue;
}

current.rb

let (
    http = require("http"),
    handler = ~( _req, res |
        res.writeHead(200, {"Content-Type": "text/plain"});
        res.end("Hello, world!")
    )
) in
http.createServer(handler).listen(1337, "127.0.0.1");
print("Server started at http://127.0.0.1:1337/");

(if P then
    A;
    B;
    C
else
    D;
    E;
    F
);

console.log(if DEBUG then "debug" else "production");
    
xs
    .map(~( x | x + 1 ))
    .reduce(~( acc, x | acc + x ))
    .forEach(~( x, _, _ | print(x)));
    
finalValue

pascal-ish.rb

let
    http = require("http"),
    handler = fn(_req, res) do
        res.writeHead(200, {"Content-Type": "text/plain"});
        res.end("Hello, world!")
    end
in
    http.createServer(handler).listen(1337, "127.0.0.1");
    print("Server started at http://127.0.0.1:1337/");
    
    if P then
        A;
        B;
        C
    else
        D;
        E;
        F
    end;
    
    console.log(if DEBUG then "debug" else "production" end);
    
    xs
        .map(fn(x) x + 1)
        .reduce(fn(acc, x) x + 1)
        .forEach(fn(x, _, _) print(x));
    
    finalValue
end