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`on.exit()` only called when iterator is exhausted #52

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hadley opened this issue Sep 11, 2024 · 0 comments

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hadley commented Sep 11, 2024

g <- coro::generator(function() {
  on.exit(cat("** on.exit called\n"))
  yield(1)
  yield(2)
})

coro::loop(for (i in g()) {
})
#> ** on.exit called

coro::loop(for (i in g()) {
  stop("boom!")
})
#> Error in eval_bare(loop, env): boom!

coro::loop(for (i in g()) {
  break
})

^{Created on 2024-09-11 with reprex v2.1.0}

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