Capture Arbitrary Conditions with `withCallingHandlers`

Question

The Problem

I\'m trying to write a function that will evaluate code and store the results, including any possible conditions signaled in the code. I\'ve got this

Answer 1

With a bit of C you can evaluate an expression within a ToplevelExec() to isolate it from all handlers registered on the stack.

We will expose it at R level in the next rlang version.