`class Cancel < Exception`

Inherits from: Exception

Raised when a task is explicitly cancelled.

Nested Classes and Modules

class Cause: Represents the source of the cancel operation.
class Later: Used to defer cancelling the current task until later.

Definitions

`def initialize(message = "Task was cancelled")`

Create a new cancel operation.

This is a compatibility method for Ruby versions before 3.5 where cause is not propagated correctly when using Fiber#raise

Signature

parameter　message　String | Hash: The error message or a hash containing the cause.

Implementation

def initialize(message = "Task was cancelled")
	
	if message.is_a?(Hash)
		@cause = message[:cause]
		message = "Task was cancelled"
	end
	
	super(message)
end

`def cause`

This is a compatibility method for Ruby versions before 3.5 where cause is not propagated correctly when using Fiber#raise, we explicitly capture the cause here.

Signature

returns　Exception: The cause of the cancel operation.

Implementation

def cause
	super || @cause
end