Questions tagged [swift-language]
Swift is a programming language designed by Apple for creating iOS and OS X apps. Swift builds upon the foundation of C and Objective-C.
111 questions
2
votes
1
answer
383
views
Swift: What is the rationale behind forbidding named parameters for closures?
In Swift, functions can be defined with named parameters, for example:
func greet(person: String) -> String {
...
}
which need to be used when the function is called :
greet(person: "Anna&...
- 286
1
vote
1
answer
258
views
SPM: Expose transitive dependency types
I'm developing a Swift Package distributed via Swift Package Manager (SPM). I have other dependencies (Swift packages) that my package depends on. Is it possible to expose types (classes, structs, etc....
- 79
3
votes
1
answer
279
views
Unit Test Against In-Memory vs Real Database for SwiftData Applications
I am writing unit tests for my SwiftData application. Currently, I am using in-memory database, which get reset after every test. What benefits will I gain if I start using real database? My main ...
- 139
1
vote
1
answer
173
views
How do I mock API responses with security in mind?
My team and I are beginning to mock our API responses in our iOS app so we don't have to worry about our backend being up when testing.
I have conditional compilation directives based on the ...
- 121
4
votes
4
answers
1k
views
When should tuples be used as an argument instead of an array?
I hope this isn't too off-topic/opinion-based, I'm new here.
I want to pass three elements of the same type into a function. The three elements are unique cards of a deck of cards, so they're not ...
- 59
2
votes
1
answer
161
views
Design for the future or make it tightly coupled to the implementation
My question is regarding how would the developer know when you add interfaces/protocols to their code and inject them as dependency.
Consider an example of BudgetService.
protocol ...
- 141
3
votes
1
answer
191
views
Should I have different instances of the same model in an application or just keep a single instance?
What is correct in your opinion regarding the creation and handling of models in an application let's say using MVVM, or even an MVC design pattern?
I will try to illustrate the situation I see at my ...
- 139
0
votes
2
answers
2k
views
Is it okay for an Interface Adapter / Repository / Gateway to use Entities in its implementation
I've got these classes:
enum Environment {
case staging
case production
static func current() -> Environment {
#if STAGING
return .staging
#elseif PROD
...
1
vote
1
answer
409
views
SwiftUI View permissions best practice?
I am currently developing an iOS application where there are options on the screen to edit and delete a list. Only the user who created this list can edit or delete it. I am struggling to determine ...
- 17
-2
votes
1
answer
160
views
Store/Pass User data MVVM+C swift
I have an app written using MVVM and RxSwift.
For navigation I'm using coordinator
What is the best way to store user's credentials and pass them to Network Layer.
I don't want to sore them in DB or ...
- 107
2
votes
4
answers
323
views
Swift: Best way to store crypto amounts?
Having a bit of trouble on deciding the best way to store crypto values which are usually in decimals. Do I go with Double or Float? Or is there an even better type that Swift offers?
My initial gut ...
- 139
2
votes
1
answer
168
views
Guidelines for using extensions in Swift
The other day, I came across this question on StackOverflow. In short, the user who asked the question wanted to extend a class from a third-party library to implement the Codable protocol, but ...
- 152
9
votes
1
answer
10k
views
The right place for "app logic" in MVVM context
I hope this is the right place to ask.
I'm an experienced developer, and have used MVC for much time.
This question is in the context of iOS/macOS development for the most part, (SwiftUI).
Using MVC ...
- 201
1
vote
0
answers
44
views
Should I separate a variable that changes often into a different entity although it is contextually should be inside another entity?
So, I have an entity called Consultation that is being used as a member variable of the class VideoCallViewModel that goes like this:
struct Consultation: Equatable {
enum Status: Int, ...
4
votes
0
answers
1k
views
Best practices for viewmodels for SwiftUI preview?
Are there best practices about how to prepare lightweight viewmodels with dummy data, that could be used in SwiftUI previews?
Right now, I have a viewmodel for an in-app purchase screen, that needs to ...
- 141