Tact Kitchen

// Instead of this:
const SOME_OPCODE = 0xD_BA1;
message(SOME_OPCODE) TokenNumber9 {}

// You can now do this:
message(0xD_BA1) TokenNumber9 {}
fun showcase() {
    TokenNumber9.opcode(); // 0xD_BA1
}

// Declaring a map as a local variable via a map literal expression
let myMap: map<Int, Int as uint16> = map<Int, Int as uint16> {
    // Key: Value
    1: 100, // key 1, value 100
    2: 200, // key 2, value 200
};

trait WildThing {
    // Using wildcards for parameter names
    virtual fun assure(_: Int, _: Int): Bool {
        return true;
    }
}

contract YouMakeMyHeartSing with WildThing {
    // And then overriding them with concrete names
    override fun assure(a: Int, b: Int): Bool {
        return a + b == b + a;
    }
}

struct MyStruct { x: Int; y: Int; z: Int }

contract MyContract(myField: MyStruct) {
    receive() {
        // This works fine now:
        self.reply(self.myField.toCell());
    }
}