subtract
fun A_Number.subtractFromInfinityCanDestroy(sign: AbstractNumberDescriptor.Sign, canDestroy: Boolean): A_Number
Subtract the receiver from the infinity with the specified sign, destroying one or the other if it's mutable and canDestroy is true.
Return
The difference, possibly recycling one of the inputs if canDestroy is true.
Parameters
sign
The sign of the infinity to subtract from.
can
Whether a mutable receiver or argument may be destroyed and/or recycled to hold the difference.