equatable Questions
13
Solved
I need a way of comparing two CLLocationCoordinate2D's however when I tried using == it wouldn't work. Please can someone help me out with the best way of comparing them?
Entopic asked 17/4, 2012 at 21:4
6
Solved
I have an enum of associated values which I would like to make equatable for testing purposes, but do not know how this pattern would work with an enum case with more than one argument.
For exampl...
Wehner asked 12/7, 2018 at 7:52
1
I'm trying to implement checkbox logic in bloc class. For that I create List<bool> checked in bloc class code is below. When CheckBoxClicked event trigger then for the first time state update...
Dallman asked 18/8, 2020 at 6:53
10
I don't think this can be done but I'll ask anyway. I have a protocol:
protocol X {}
And a class:
class Y:X {}
In the rest of my code I refer to everything using the protocol X. In that code I wo...
3
Solved
For my iOS app I have a model something like
class Person {
var Id: Int
var Name: String
init(id: Int, name: String?) {
self.Id = id
self.Name = name ?? ""
}
}
Then later on in my ViewCon...
2
Solved
I have an object that extends Equatable and contains optional parameters. If I try to add that parameter into the props getter, I get an error The element type 'String?' can't be assigned to the li...
Vega asked 14/8, 2021 at 21:0
1
Solved
I've been doing some tests on my models to make sure they are equal when I encode them into JSON and then decode them back using JSONEncoder/Decoder. However, one of my tests failed, and the culpri...
Izard asked 25/6, 2021 at 21:52
3
Solved
Why do we need to use the Equatable class with flutter_bloc? Also, what do we use the props for? Below is sample code for making a state using the bloc pattern in Flutter.
abstract class LoginStat...
Charcoal asked 12/10, 2020 at 11:11
2
Value of protocol type 'Any' cannot conform to 'Equatable'; only struct/enum/class types can conform to protocols
Value is type "ANY" as it can be Int or String. So not able to implemen...
2
Solved
I'm quite new to Flutter and Dart, and I have some troubles understanding how to rewrite a class extending an updated version of Equatable.
This works with Equatable 0.4.0:
abstract class Failure e...
Creaky asked 16/1, 2020 at 14:51
2
Solved
hi I am new with bloc in flutter and I'm trying to understand block timer In the doc of flutter_bloc and I would know what's this constructor class mean
@immutable
abstract class TimerState exte...
3
Solved
In order to solve this question, I have been playing around with a custom struct that implements the Hashable Protocol. I'm trying to see how many times the equivalency operator overload (==) gets ...
Almallah asked 28/7, 2015 at 1:3
3
Solved
I have a struct in Swift that looks like this:
internal struct MapKey {
internal let id: String
internal let values: [String:String]
}
extension MapKey: Equatable {}
func ==(lhs: MapKey, rhs: Ma...
4
Solved
I'm trying to implement the == operator (from Equatable) in a base class and its subclasses in Swift 3. All of the classes will only be used in Swift so I do not want to involve NSObject or the NSC...
5
Solved
I've seen the answer to this Swift Equatable Protocol question that mentions how the == method must be declared in the global scope.
If I don't adopt Equatable, I still could declare == to test fo...
4
Solved
How do I make a structure conform to protocol "Equatable"?
I'm using Xcode 7.3.1
struct MyStruct {
var id: Int
var value: String
init(id: Int, value: String) {
self.id = id
self.value = val...
2
Solved
I wrote the following extension to remove duplicates from my Array.
extension Array where Element : Equatable{
func removeDups() -> [Element]{
var result = [Element]()
for element in self...
Privilege asked 10/5, 2018 at 14:48
3
Solved
We have a simple class Person which inherent from realms Object.
Now we want that subclass to conform to the Equatable protocol. The very simple code looks like this.
class Person: Object, Equat...
2
Solved
I am Having an error in Equatable while compilation.
I wanted to add find or contains method in the list to check the value.
My Code Below
class Generic: NSObject, Equatable, NSCoding //Am Having ...
2
Solved
I have a very simple class in a Playground in Swift 4.0 that overrides the == operator.
I'm not understanding why the Swift complier doesn't behave the same when the class inherits/doesn't inherit...
Orang asked 1/11, 2017 at 16:18
1
The following code compiles in Swift 3
extension Array where Element: Equatable {
var removeDuplicate: [Element] {
return reduce([]){ $0.0.contains($0.1) ? $0.0 : $0.0 + [$0.1] }
}
}
but prod...
1
Solved
Let's say I'm implementing a root class in Swift, which I declare adopts the Equatable protocol (I want to be able to tell if an array of my type contains a given instance or not).
What is the dif...
2
Solved
My goal is to show a user list of history logins ( such as username ) if there are any. In order to do that, I am doing
1. Create an custom object named User like below
class User: NSObject
{
...
1
Solved
Contains method not working properly and it is giving me false result even if it is matching with Object?
My Code Below
class Generic: NSObject, NSCoding
{
var genericCode: String?
var generic...
2
Solved
The FooBar class below has to override the == function of the Equatable type.
However, calling contains on an array of FooBar objects does not cause a breakpoint inside the custom == functio...
1 Next >
© 2022 - 2024 — McMap. All rights reserved.