re: cross (nod to Dave Abrahams for the clean implementation)
/// 'Cartesian product' of two sequences
public func cartesianProduct(lhs:Left,
rhs:Right) -> [(Left.Iterator.Element, Right.Iterator.Element)] {
return lhs.flatMap { x in rhs.map { (x, $0) } }
}
On Sun, Jul 17, 2016 at 11:54 AM,
I think this use-case is too narrow for dedicated syntax in the standard
library.
However, it should be simple enough for you to write your own function,
let’s call it `unpack`, which produces a sequence that does what you want.
While you’re at it you could also try writing a `cross` function
Hello, community.
As I understood from documentation the only way to iterate multidimensional
array or a dictionary (with for loop) is this:
let multidimensionalDictionary = ["a":["b": "c"], "b":["c": "d"], "c":
["d": "e"]]
for (key, value) in multidimensionalDictionary {
for (nestedKey,
