Dear R-developers,
I am trying to figure out a way to call browser() when an error occur, and
naturally I want the browser() to be called in the environment of the error.
I tried something simple in vain:
> f <- function() { x <- 1; stop('ok') }
> tryCatch(f(), error=browser())
Called from: tryCatch(f(), error = browser())
## if browser() was called in the local environment of f then 'x' would be set,
but it's not
Browse[1]> x
Error: object 'x' not found
Browse[1]> Q
Is there a way to make it work? What do people do to 'set an on-error
breakpoint'?
Thanks,
Vadim
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