👑 string helloWorld 🚀 🖨 "Hello World!
JS:
console.log("Hello World!");
QUEEN:
👑 float fib (x: int) 🚀
match x with
🍭 [0] -> 0
🍭 [1] -> 1
🍭 🕳 -> (let a 🚀 x - 1 in let b
🚀 x - 2 in let z 🚀 fib (a) in
let y 🚀 fib (b) in y + z)
JS:
myRecursiveFunction = (n) => {
if (n > 0) {
return myRecursiveFunction(n-1);
} else {
return n;
}
};
👑 int length (l : string) 🚀
match l with
🍭 hd ⚡️ [] → 1
🍭 hd ⚡️ tl → 1 + length(tl)
JS:
let l = [1, 2, 3];
let lengthl = l.length;
QUEEN:
🤔 (a 🚀 0 💁🏼 b 🚀 0) then a
else🤔 (c 🚀 0) then c
JS:
if (a == 0 || b == 0) {
return a
} else if (c == 0) {
return c
}
👑 string reverse (l : string) 🚀
match l with
🍭 [] → []
🍭 hd ⚡️ tl → reverse(tl) @ [hd]
JS:
let fruits = [‘strawberries’, ‘bananas’, blueberries’, ‘raspberries’];
let reversed = fruits.reverse();
QUEEN:
👑 int change (n : int) 🚀
(let quarters 🚀 n/25 in
let dimes 🚀 (n mod 25)/10 in
let nickels 🚀 ((n mod 25) mod 10)/5 in
let pennies 🚀 (((n mod 25) mod 10) mod 5) in
[quarters;dimes;nickels;pennies])
JS:
var change = function (n) {
var changeAmt = [],
total = 0;
[25, 10, 5, 1].forEach(function(coin) {
while (total + coin <= n) {
changeAmt.push(coin);
total += coin;
}
});
return changeAmt;
};
Append → 😡 TYPE ERROR: Both lists must contain elements of the
same type.
BinExp Add → 😡 TYPE ERROR: Only numeric types can be added and subtracted.
BinExp Rel → 😡 TYPE ERROR: Incomparable types.
Conditional → 😡 TYPE ERROR: Condition must be a boolean.
Cons Long → 😡 UNDECLARED VARIABLE: ${this.e} has not been declared.
→ 😡 TYPE ERROR: ${this.e} must be numeric.
Cons Short → 😡 UNDECLARED VARIABLE: ${this.e} has not been declared.
→ 😡 TYPE ERROR: ${this.e} must be numeric.
Exp Id → 😡 UNDECLARED VARIABLE: ${this.id} has not been declared.
Exp Print → 😡 UNDECLARED VARIABLE: ${this.n} has not been declared.
→ 😡 TYPE ERROR: ${this.string} is not a string.
Exp1 Mult → 😡 TYPE ERROR: Only numeric types can be multiplied and divided.
Exp2 → 😡 TYPE ERROR: Only numeric types can be negated.
Exp3 → 😡 UNDECLARED VARIABLE: ${this.n} has not been declared.
→ 😡 TYPE ERROR: ${this.n} must be numeric.
Funcall → 😡 ARITY ERROR: ${this.args.length} arguments provided and ${func.parameters.length} were expected.
→ 😡 UNDECLARED VARIABLE: ${this.args[i]} has not been declared.
→ 😡 TYPE ERROR: Expected ${this.args[i]} to be ${func.paramTypes[i].toString()}.
→ 😡 UNDECLARED VARIABLE: ${this.id} has not been declared.
FunDecl → 😡 TYPE ERROR: Function was expected to evaluate to type ${this.returnType}.
Let Let → 😡 VARIABLE DECLARARTION ERROR: ${this.exp} cannot be assigned to a variable.
List → 😡 TYPE ERROR: List elements must all be of the same type.
Match → 😡 UNDECLARED VARIABLE: ${this.id} has not been declared.
MatchExp → 😡 TYPE ERROR: Must match to something of the same type.
Pattern Pattern → 😡 UNDECLARED VARIABLE: ${this.e} has not been declared.
→ 😡 TYPE ERROR: ${this.e} must be numeric.