tests/testthat/_snaps/future-map.md

In furrr: Apply Mapping Functions in Parallel using Futures

future_map_vec() works / strategy - sequential / cores - 1

Code
  future_map_vec(1:2, ~NULL)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must be a vector, not `NULL`.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

Code
  future_map_vec(1:2, ~ 1:2)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must have size 1, not size 2.

Code
  future_map_vec(1:2, ~ if (.x == 1L) 1 else "x")
Condition
  Error in `future_map_vec()`:
  ! Can't combine `<output>[[1]]` <double> and `<output>[[2]]` <character>.

future_map_vec() works / strategy - multisession / cores - 1

Code
  future_map_vec(1:2, ~NULL)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must be a vector, not `NULL`.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

Code
  future_map_vec(1:2, ~ 1:2)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must have size 1, not size 2.

Code
  future_map_vec(1:2, ~ if (.x == 1L) 1 else "x")
Condition
  Error in `future_map_vec()`:
  ! Can't combine `<output>[[1]]` <double> and `<output>[[2]]` <character>.

future_map_vec() works / strategy - multisession / cores - 2

Code
  future_map_vec(1:2, ~NULL)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must be a vector, not `NULL`.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

Code
  future_map_vec(1:2, ~ 1:2)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must have size 1, not size 2.

Code
  future_map_vec(1:2, ~ if (.x == 1L) 1 else "x")
Condition
  Error in `future_map_vec()`:
  ! Can't combine `<output>[[1]]` <double> and `<output>[[2]]` <character>.

future_map_vec() works / strategy - multicore / cores - 1

Code
  future_map_vec(1:2, ~NULL)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must be a vector, not `NULL`.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

Code
  future_map_vec(1:2, ~ 1:2)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must have size 1, not size 2.

Code
  future_map_vec(1:2, ~ if (.x == 1L) 1 else "x")
Condition
  Error in `future_map_vec()`:
  ! Can't combine `<output>[[1]]` <double> and `<output>[[2]]` <character>.

future_map_vec() works / strategy - multicore / cores - 2

Code
  future_map_vec(1:2, ~NULL)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must be a vector, not `NULL`.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

Code
  future_map_vec(1:2, ~ 1:2)
Condition
  Error in `future_map_vec()`:
  ! `<output>[[1]]` must have size 1, not size 2.

Code
  future_map_vec(1:2, ~ if (.x == 1L) 1 else "x")
Condition
  Error in `future_map_vec()`:
  ! Can't combine `<output>[[1]]` <double> and `<output>[[2]]` <character>.

errors don't report purrr's indices (#250) / strategy - sequential / cores - 1

Code
  future_map(x, fail_on_five)
Condition
  Error in `...furrr_fn()`:
  ! Failure!

errors don't report purrr's indices (#250) / strategy - multisession / cores - 1

Code
  future_map(x, fail_on_five)
Condition
  Error in `...furrr_fn()`:
  ! Failure!

errors don't report purrr's indices (#250) / strategy - multisession / cores - 2

Code
  future_map(x, fail_on_five)
Condition
  Error in `...furrr_fn()`:
  ! Failure!

errors don't report purrr's indices (#250) / strategy - multicore / cores - 1

Code
  future_map(x, fail_on_five)
Condition
  Error in `...furrr_fn()`:
  ! Failure!

errors don't report purrr's indices (#250) / strategy - multicore / cores - 2

Code
  future_map(x, fail_on_five)
Condition
  Error in `...furrr_fn()`:
  ! Failure!

furrr documentation built on March 31, 2026, 5:06 p.m.