checked
Return the sum of two integers, checking for overflow
Return
a+b
Parameters
a
an Int operand
b
an Int operand
Add and subtract non-negative integers, checking for overflow
Compute add* - sub*, ensuring an exception is thrown iff the final result overflows (and not because of an intermediate overflowing result).
Return
add* - sub*
Parameters
add
a Sequence of non-negative integers to add
sub
a Sequence of non-negative integers to subtract