Review GroupJoin #648
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Review GroupJoin #648
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akarnokd
approved these changes
Jun 26, 2018
| _group.Add(leftSubscription); | ||
| var leftObserver = new LeftObserver(this); | ||
| _group.Add(leftObserver); | ||
| _leftID = 0; |
Collaborator
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No reason to init to default
| _group.Add(rightSubscription); | ||
| var rightObserver = new RightObserver(this); | ||
| _group.Add(rightObserver); | ||
| _rightID = 0; |
Collaborator
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No reason to initi to default.
| private readonly RefCountDisposable _refCount; | ||
| private readonly SortedDictionary<int, IObserver<TRight>> _leftMap = new SortedDictionary<int, IObserver<TRight>>(); | ||
| private readonly SortedDictionary<int, TRight> _rightMap = new SortedDictionary<int, TRight>(); | ||
| private readonly SortedDictionary<int, IObserver<TRight>> _leftMap; |
Collaborator
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How was the original even compiling without an error? You can assign a readonly field twice in C#?
Collaborator
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As long as the assignment is done in the constructor, it's valid. And although it's probably never the developer's intention, it doesn't produce a warning. I assume this is due to possible side effects that the initialization could have.
akarnokd
approved these changes
Jun 26, 2018
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We save some allocations by using the same techniques as in earlier PRs.