Class SupplyIsOff<TResult>

Constructs an indicator.

Constructs an indicator derived from the base one.

Constructed indicator will indicate cut off happened at the same time as the base one.

An error indicating supply failure reason.

Contains value only when failed flag is true. Contains undefined value otherwise.

Whether the supply has failed.

When true, the error property contains a failure reason.

A reference to itself.

Use to detect a supply cut off indicator.

A result of successfully completed supply.

Contains value only when failed flag is false. Contains undefined otherwise.

Whether indicated cut off happened at the same time as another one.

The supplies depending on the one cut off initially, considered cut off at the same time.

Creates a supply cut off reason indicator caused by the given reason.

• If the reason is an indicator already, just returns it.
• Otherwise, if the reason is undefined, then creates new successful supply cut off indicator.
• Otherwise, creates new failed supply cut off indicator, and uses the reason as supply failure error.

Creates indicator of faultily terminates supply.

When error is a supply failure indicator, then returns this supply. Otherwise, it is used as an error value.

Creates indicator of successfully completed supply.