no
fun A_Number.noFailMinusCanDestroy(aNumber: A_Number, canDestroy: Boolean): A_Number
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Difference the receiver and the argument aNumber and answer the result. The operation is not allowed to fail, so the caller must ensure that the arguments are valid, i.e. not infinities of like sign.
Return
The result of differencing the operands.
See also
Parameters
a
An integral numeric.
can
true if the operation may modify either operand, false otherwise.