Replace NO_CHANGE with WrappedValue#1517
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vsavkin wants to merge 2 commits into
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…re are no changes second time
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Currently we use
NO_CHANGEto indicate that the result of a pipe transformation has not changed. Any other value will be treated as a change. This means that this pipewill not work. Change detection will throw in the dev mode!
This PR changes it. So if you return the same value, it won't be treated as a change. You need to return a new value to trigger a change.
If you want to trigger a change even though you don't have a new object (e.g., IterableDiff), you need to wrap it into
WrappedValue.