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Add Equatable conformance to LoadingState #278

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Add Equatable conformance to LoadingState #278

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20 changes: 20 additions & 0 deletions Sources/LoadingSignal.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,26 @@ public enum LoadingState<LoadingValue, LoadingError: Error>: LoadingStateProtoco
}
}

extension LoadingState: Equatable where LoadingValue: Equatable, LoadingError: Equatable {
public static func == (
lhs: LoadingState<LoadingValue, LoadingError>,
rhs: LoadingState<LoadingValue, LoadingError>) -> Bool {
switch (lhs, rhs) {
case let (.loaded(lhsValue), .loaded(rhsValue)):
return lhsValue == rhsValue

case let (.failed(lhsError), .failed(rhsError)):
return lhsError == rhsError

case (.loading, .loading):
return true

default:
return false
}
}
}

/// Loading state as observed by the observer. Just like LoadingState, but with `.reloading` case.
/// To get observed loading state from a loading signal, apply `deriveObservedLoadingState()` operator.
public protocol ObservedLoadingStateProtocol: LoadingStateProtocol {
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