assert_async_tuning_callback: Assertions for Callbacks
In mlr3tuning: Hyperparameter Optimization for 'mlr3'

assert_async_tuning_callback

R Documentation

Assertions for Callbacks

Assertions for CallbackAsyncTuning class. bbotk::CallbackAsync objects are accepted as well since they work in asynchronous tuning too.

assert_async_tuning_callback(callback, null_ok = FALSE)

assert_async_tuning_callbacks(callbacks)

`callback`	(bbotk::CallbackAsync \| CallbackAsyncTuning).
`null_ok`	(`logical(1)`) If `TRUE`, `NULL` is allowed.
`callbacks`	(list of bbotk::CallbackAsync \| list of CallbackAsyncTuning).

bbotk::CallbackAsync | CallbackAsyncTuning | List of them.

mlr3tuning documentation built on Sept. 2, 2026, 5:08 p.m.

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