The Swift equatable protocol can be used to have objects use the equality operators for comparison.
Questions tagged [equatable]
144 questions
1
vote
2 answers
Compare enums in Swift
I have a class that contains two enums like so (made simple):
class Errors {
enum UserError: String {
case NoToken = "No token!"
case NoPassword = "No password!"
}
enum BackendError: String {
case NoConnection =…
schnabler
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- 23
1
vote
1 answer
Implement Equatable for custom private class - Swift
I know how to implement Equatable for a non-private class (by writing the == operator function), however this doesn't work for a private class given that "Operators are only allowed at global scope". Problem is, at global scope, private class is not…
trek
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- 3
1
vote
0 answers
swift resolving variable in generic type constrained array parameter
Given
class MyClass {
static let Anything = 1
func wasCalled(values: [T]) { }
}
why does this compile:
MyClass().wasCalled([1, "a string"])
but this produces "cannot invoke 'wasCalled' with an argument list…
jwilkey
- 326
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- 11
1
vote
3 answers
Setting up equatable for PFObject
I m getting error when setting up equatable in swift
extension PFObject : Equatable {}
public func ==(lhs:PFObject,rhs:PFObject) -> Bool {
return lhs.objectId == rhs.objectId
}
Below the following error I m getting
Redundant conformance of…
Vimlan.G
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0
votes
1 answer
Usage of Equatable in Flutter Dart
Im currently working on a Flutter school project.
Im totaly new to Flutter and Dart and have troubles to understand the usage of Equatable package.
I build my Flutter Application using the Bloc-Pattern.
In an online course they described the usage…
Joker
- 11
- 1
0
votes
0 answers
No Equatable out of the box in swift for a struct
I've declared my struct to conform to Equatable
struct LocationInfo: Equatable {
// MARK: - Properties
let gatewayId: GatewayId?
let gatewaySerialNumber: String?
let locationId: LocationId
let locationName: String
let role:…
Anton Tropashko
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0
votes
1 answer
Protocol constraint Equatable in Swift with ReactiveSwift map function
I am using ReactiveSwift. There are two protocols: CommonProtocol and SpecificProtocol.
When I use SpecificProtocol in map function there is an error Type 'any SpecificProtocol' cannot conform to 'Equatable'. However it is perfectly fine with using…
Riddik
- 2,565
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0 answers
How do you get automatic Equable conformance for an enum with a closure in Swift?
I have an enum that has several cases with associated values and it conforms to Equatable.
I now need to add another case that uses a closure for its associated value and was wandering how I could make it conform to Equatable without having to write…
Edward
- 2,864
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0
votes
1 answer
flutter equatable Too many positional arguments: 0 expected, but 1 found
i was following reso coder's video to learn clean structure and tried to make a super constructor as he did and got this Too many positional arguments: 0 expected, but 1 found.
here it is
import 'package:equatable/equatable.dart';
import…
Mad Life
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votes
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Class A is not equal to class B with Equatable
here is my model class for a response from the server
@JsonSerializable(createToJson: false)
@immutable
class Miner extends Equatable {
final String minerId;
@JsonKey(name: 'name')
final String minerName;
@JsonKey(fromJson: _isOwnerToJson)
…
zex_rectooor
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- 26
0
votes
3 answers
FLUTTER -BLOC is not updating state even with copyWith() and equatable
I have created an event for radio button like functionality where user can select only single element at a time. But when I trigger the event to select the value, it does not update the state, however the list does get updated.
This is my bloc…
Srasti Verma
- 109
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- 8
0
votes
1 answer
Custom Equatable implementation prevents SwiftUI from updating its view
My model Keyword has the following implementation:
public struct Keyword: Codable, Equatable, Identifiable {
public var id: String {
name
}
public var name: String
public var popularity: Int?
public static func…
Niels Mouthaan
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0
votes
0 answers
flutter Equatable with GetxController
I found an excellent way to make a filter using both Equatable and Block
But I want to convert it to Get. I tried a lot for days, but I couldn't..Can I get help converting it to Get, please ?
The filter method consists of three classes, the first …
Khalid
- 123
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- 7
0
votes
1 answer
Xcode on change not triggering
I have a custom preferences class and I would like to trigger a function whenever that is changed, at the moment it doesn't seem to work for some reason.
Here is the class
class Preferences: ObservableObject, Equatable{
static func == (lhs:…
Cian B
- 31
- 6
0
votes
3 answers
Flutter Equatable Real Life Usage?
I have learned that what is the Equatable and how can I use it. But I just wonder that why should I use it?
I have found some reasons. One of them, when we wants to compare 2 or more same object from any class, it will use. they aren't same even if…
Semih Ekmen
- 95
- 5