Implementing a Stepping Debugger in JavaScript
In my previous post I introduced Unwinder, a project which implements continuations in JavaScript. What does that have to do with stepping debuggers? Unwinder uses continuations to implement a debugger, since it can reuse the same machinery to pause code at any time. This post could be titled "Implementing Continuations in JavaScript," but a lot more people know what a stepping debugger is. Beside
What’s in a Continuation
Many people have heard the word “continuation” because it has something to do with node’s callback hell. I don’t think most people understand what continuations really are, though. They aren’t just a callback function used by async functions. A continuation is a representation of the control flow of your program at any point in time, essentially the stack. In abstract terms, it represents "the res
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