async (version 0.0.0.9004)

async_retry: Retry an asynchronous function a number of times

Description

Keeps trying until the function's deferred value resolves without error, or times tries have been performed.

Usage

async_retry(task, times, ...)

Arguments

task

An asynchronous function.

times

Number of tries.

...

Arguments to pass to task.

Value

Deferred value for the operation with retries.

See Also

Other async control flow: async_reflect, async_retryable, async_sequence, async_try_each, async_until, async_whilst

Examples

# NOT RUN {
## Try a download at most 5 times
afun <- async(function() {
  async_retry(
    function() http_get("https://eu.httpbin.org"),
    times = 5
  )$then(function(x) x$status_code)
})

synchronise(afun())
# }