ios - Array of arrays in Swift -

i want make , array contains arrays, of double's, of int's.

this not work:

var arrayzero = [1,2,3] var arrayone = [4.0,5.0,6.0]  var arrayofarrayzeroandone: [[anyobject]] = arrayzero.append(arrayone) 

how can append arrays array can 5.0 if write arrayofarrayzeroandone[1][1] ?

i take advantage of swift's type safety. going route introduce bugs if you're not careful adding , retrieving array.

var numbers = array<array<nsnumber>>()  // bit clearer imo var numbers = [[nsnumber]]()            // way declare numbers.append(arrayzero) numbers.append(arrayone) 

then when like

let 5 = numbers[1][1] // 5.0 

you know of type nsnumber. further swift won't let put else array unless it's nsnumber

without appends solution

var numbers = array<array<nsnumber>>() [     [1,2,3,4],     [1.0,2.0,3.0,4.0] ]