purrr issues

Implement `map_vec()`

5

This PR implements `map_vec()`, a vctrs powered `map()` that attempts to simplify the output automatically by computing the common type of the result elements. If a common type can be...

DavisVaughan

Do not allow modify2() to recycle the first argument

Fix #632 Currently, `modify2()` recycles the first argument when it is 1-length object, so the result is no more have the original class and attributes. This PR makes `recycle_args()` more...

yutannihilation

This closes #405 by bringing back [old](2f76d3e4c3cace662f975b82b4afc98b0617ecfc) `flatmap()` as suggested `map_flat_type` function. This PR adds * `map_flat()` is equivalent to `map()` followed by `flatten()` * `map_flat_lgl()`, `map_flat_int()`, `map_flap_dbl()`, `map_flat_chr()` and...

cderv

[FR] add the condition class in the output of quietly()

Hi, It would be very convenient if the value returned in `$warning` and `$message` was the actual condition instead of only the text message when using `quietly()` (or, in an...

DanChaltiel

Could map_dbl return empty vector for empty elements (revival)?

Hi, This is a revival of #337: > Use `.default = NA` > _Originally posted by @hadley in https://github.com/tidyverse/purrr/issues/337#issuecomment-311067457_ In fact, applying the closing comment does not solve the original...

DanChaltiel

`assign_in` and `modify_in` should create nested elements

15

Current implementation of `assign_in`, `update_in` and `pluck

vspinu

feature

Why `map2()` does not work with `seq.int()` but works with `seq()`?

3

I tried to use the `seq.int()` method instead of the `seq()` generics in map2(), but I receive strange errors. The code with the generics: ``` r library(reprex) library(purrr) x [1]...

irudnyts

pmap_dfr() does not work well with nested tibbles of one row

1

When it comes to nested dataframes, pmap_dfr exercises some weird behaviour. I don't know if this is an issue or a desired effect, but worth noting. ```r tibble(a = 1,...

dllazarov