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On the following answer to a previous question someone mentioned an “auto-casting bool”
I guess null has an auto-casting bool that is false. What is it, and what does the code that makes it look like?
The phrase “auto-casting bool” is a poor phrase someone used off hand. I believe what they mean is the internal
ToBooleanoperationOf special note is the if statement which calls
ToBooleanon the expression.I don’t know my way around the v8 source code but here is a search for
ToBooleanon the v8 repo.For reference v8 is the javascript implementation used by chrome and written in C++