Improve list_simplify() performance + errors #942
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Oooh, and name management from https://github.com/tidyverse/purrr/pull/894/files#r957388812. |
R/list-simplify.R
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| x <- vec_set_names(x, NULL) | ||
| out <- list_unchop(x, ptype = ptype) |
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Hmm, I think this is slightly wrong because if the unchop fails and strict = FALSE, then we will return x which might have had its names stripped by this
Test for this case is probably useful, something like "returns a named list when input is named and simplification fails"
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Oops yes. Let me refactor.
R/list-simplify.R
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| ) | ||
| } else { | ||
| if (strict) { | ||
| bad <- detect_index(x, function(x) vec_size(x) != 1) |
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You could also do
which(list_sizes(x) != 1L)[[1L]]or store the result of list_sizes(x) == 1L as where_size_one from when you computed it above in the strict branch along with the list_check_all_vectors() check, and then reference it here like bad <- which(!where_size_one)[[1L]]
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I moved this error up into the earlier strict branch which I think makes it easier to follow.
Co-authored-by: Davis Vaughan <davis@rstudio.com>
Fixes #935