Get task result — task_result • hipercow

Get the task result. This might be an error if the task has failed.

Usage

task_result(id, follow = TRUE, root = NULL)

Arguments

id: The task identifier
follow: Logical, indicating if we should follow any retried tasks.
root: A hipercow root, or path to it. If NULL we search up your directory tree.

Value

The value of the queued expression

Examples

cleanup <- hipercow_example_helper()
#> ℹ This example uses a special helper

# Typical usage
id <- task_create_expr(runif(1))
#> ✔ Submitted task '67e867368f39aa0ff25bb5b1c5a11b9f' using 'example'
task_wait(id)
#> [1] TRUE
task_result(id)
#> [1] 0.2831158

# Tasks that error return error values as results
id <- task_create_expr(readRDS("nosuchfile.rds"))
#> ✔ Submitted task 'cc093e1f0e50cdbd1f82f16295685a3c' using 'example'
task_wait(id)
#> [1] FALSE
task_result(id)
#> <simpleError in gzfile(file, "rb"): cannot open the connection>

cleanup()
#> ℹ Cleaning up example