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brodieG/browse.err.R

Last active October 18, 2016 01:36
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Browser Bugs With on.exit
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browse.err.R
# Tested on OS X and Ubuntu R 3.3.1, appears fixed in R-devel
# WARNING: you may have to kill your session if you run the code here
fun <- function() {
on.exit(cat('exited\n'))
stop('hello')
}
{
browser()
# type `fun()` at Browser[1]> prompt to cause infinite loop
}
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brodieG commented Oct 18, 2016

Somehow looks like the on.exit call causes R to lose track of context and results in the abort restart re-evaluating fun, but only when in browser() context as well.

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