Thanks I think we could only do this in swift var (r,g,b,brightness) = (pixel[0],pixel[1],pixel[2],pixel[3])
> Alex Blewitt <[email protected]> > >> On 27 Jan 2017, at 11:27 via swift-users <[email protected]> wrote: >> >> Python, we have this >> for pixel in pixels: >> r, g, b, brightness = pixel >> ..... >> >> I wonder how to do it in swift? is there a more swifty way to do something >> like this below? >> for pixel in pixels { >> var r = pixel[0] >> var g = pixel[1] >> var b = pixel[2] >> var brightness = pixel[3] >> ..... >> } > > If Pixel is a tuple instead of an array, you can do: > > var (r,g,b,brightness) = pixel > > Alex > > 1> let Pixel = (1,2,3,4) > Pixel: (Int, Int, Int, Int) = { > 0 = 1 > 1 = 2 > 2 = 3 > 3 = 4 > } > 2> var (r,g,b,brightness) = Pixel > r: Int = 1 > g: Int = 2 > b: Int = 3 > brightness: Int = 4 > 3> >
_______________________________________________ swift-users mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-users
