In Swift, we can perform 2's complement subtraction using the bit-wise NOT operator (~) and the bit-wise AND operator (&).
Here's an example of how to subtract 6 from 10 using 2's complement:
main.swift201 chars7 lines
In this example, we first convert the numbers 10 and 6 to binary using the 0b
prefix. We then calculate the 2's complement by taking the bit-wise NOT of b
and adding 1. Finally, we add this 2's complement representation of b
to a
. The result is the 2's complement representation of the difference between 10 and 6, which is -4 in this case.
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