import "allocator/arena";

// top-level function

export function add(a: i32, b: i32): i32 {

return a + b;

}

export function subOpt(a: i32, b: i32 = 0): i32 {

return a - b;

}

// namespaced function

export namespace math {

export function sub(a: i32, b: i32): i32 {

return a - b;

}

}

// top-level enum

export const enum Animal {

CAT,

DOG

}

// namespaced enum

export namespace animals {

export const enum Animal {

CAT,

DOG

}

}

// top-level class

export class Car {

static readonly TIRES: i32 = 4;

static getNumTires(): i32 { return this.TIRES; }

constructor(public doors: i32 = 2) { this.doors = doors; }

get numDoors(): i32 { return this.doors; }

set numDoors(doors: i32) { this.doors = doors; }

openDoors(): void {}

}

// namespaced class

export namespace vehicles {

export class Car {

static readonly TIRES: i32 = 4;

static getNumTires(): i32 { return this.TIRES; }

constructor(public doors: i32 = 2) { this.doors = doors; }

get numDoors(): i32 { return this.doors; }

set numDoors(doors: i32) { this.doors = doors; }

openDoors(): void {}

}

}

// namespaced namespace

export namespace outer {

export namespace inner {

export const a = 42;

}

}