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struct Vec2(x,y:Int)
func plus(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x+b.x, a.y+b.y)
func minus(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x-b.x, a.y-b.y)
func dot(a,b:Vec2 -> Int; inline)
return a.x*b.x + a.y*b.y
func scaled_by(a:Vec2, k:Int -> Vec2; inline)
return Vec2(a.x*k, a.y*k)
func times(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x*b.x, a.y*b.y)
func divided_by(a:Vec2, k:Int -> Vec2; inline)
return Vec2(a.x/k, a.y/k)
func negative(v:Vec2 -> Vec2; inline)
return Vec2(-v.x, -v.y)
func negated(v:Vec2 -> Vec2; inline)
return Vec2(not v.x, not v.y)
func bit_and(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x and b.x, a.y and b.y)
func bit_or(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x or b.x, a.y or b.y)
func bit_xor(a,b:Vec2 -> Vec2; inline)
return Vec2(a.x xor b.x, a.y xor b.y)
func left_shifted(v:Vec2, bits:Int -> Vec2; inline)
return Vec2(v.x >> bits, v.y >> bits)
func right_shifted(v:Vec2, bits:Int -> Vec2; inline)
return Vec2(v.x << bits, v.y << bits)
func modulo(v:Vec2, modulus:Int -> Vec2; inline)
return Vec2(v.x mod modulus, v.y mod modulus)
func modulo1(v:Vec2, modulus:Int -> Vec2; inline)
return Vec2(v.x mod1 modulus, v.y mod1 modulus)
func main()
>> x := Vec2(10, 20)
>> y := Vec2(100, 200)
assert x + y == Vec2(x=110, y=220)
assert x - y == Vec2(x=-90, y=-180)
assert x * y == Vec2(x=1000, y=4000)
assert x.dot(y) == 5000
assert x * -1 == Vec2(x=-10, y=-20)
assert -10 * x == Vec2(x=-100, y=-200)
>> x = Vec2(1, 2)
>> x += Vec2(10, 20)
assert x == Vec2(x=11, y=22)
>> x *= Vec2(10, -1)
assert x == Vec2(x=110, y=-22)
>> x *= -1
assert x == Vec2(x=-110, y=22)
>> x = Vec2(1, 2)
assert -x == Vec2(x=-1, y=-2)
x = Vec2(1, 2)
y = Vec2(4, 3)
assert (x and y) == Vec2(x=0, y=2)
assert (x or y) == Vec2(x=5, y=3)
assert (x xor y) == Vec2(x=5, y=1)
assert x / 2 == Vec2(x=0, y=1)
assert x mod 3 == Vec2(x=1, y=2)
assert x mod1 3 == Vec2(x=1, y=2)
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