Swift: Array of Arrays in Struct initialisation

Question

I have a struct that contains array of arrays:

public struct myStruct: Codable {
    var timetables:[[MyObject]] = [[]];
}

How to initialise the first external array so to limit by e.g. 7 and be able to insert at any index "internal" array?

Gereon · Accepted Answer · 2018-04-02 17:55:23Z

2

Use Array's repeating:count: initializer:

var timetable = Array(repeating: [MyObject](), count: 7)

answered Apr 2, 2018 at 17:55

Gereon

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3 Comments

AlexP Over a year ago

Nope, when JSONdecoding if I have only one element it gives count 1

Gereon Over a year ago

In that case you can't rely on the compiler-generated initializer anymore, but have to implement init(from decoder: Decoder) yourself. I'll update my answer.

AlexP Over a year ago

Nevermind, it's me who made an error changing not in all places. Your solution perfectly works

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