Initialize dictionary from array with Swift 3

Question

Is there an easier / more efficient way to initialize a dictionary from an array in Swift 3?

for object in array {
    dict[object.id] = object
}

Nothing wrong with that, but I was wondering if you can use map / reduce / etc to do this with a little less code.

+3

Marcus leon Apr 12 17 at 11:33

1 answer

Danut Pralea · Accepted Answer · 2017-04-12T11:49:51+0000

array.forEach({ object in
    dict[object.id] = object
})

or shorter:

array.forEach({ dict[$0.id] = $0 })