Task.delay warning when rescheduling thread

Bug Reports Engine Bugs
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#1

I receive a message when attempting to expedite a delayed task: task.delay should not be called on a thread that is already 'delayed' in the task library

Reproduction:

local function Dummy():nil
	print("Dummy function")
end
local DelayedThread:thread = task.delay(5,Dummy)
task.delay(1,DelayedThread)

Expected behavior

I expect to be able to cleanly adjust the scheduled execution time with no warning.

#2

This seems rather expected to me and the set of warnings on scheduled threads intentional.

Two more examples:

local thread = task.spawn(function()
    task.wait(1); print("Dummy function")
end)
task.delay(2, thread)

image
image1261×39 7.34 KB 

local thread = task.defer(function()
    print("Dummy function")
end)
task.delay(2, thread)

image
image1274×37 7.17 KB

We can task.cancel() the thread and schedule again though.

#3

The warning here implies to me this is intended. Personally, I would not expect this to reschedule, when I first saw the code I was expecting the thread to be run a second time.

If you want native support for rescheduling, I suggest a feature request in #feature-requests:engine-features.