subtract
fun A_Number.subtractFromIntegerCanDestroy(anInteger: AvailObject, canDestroy: Boolean): A_Number
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Subtract the receiver from the given integer, 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
an
The integer to subtract from.
can
Whether a mutable receiver or argument may be destroyed and/or recycled to hold the difference.