Guarantee success in ValueSum::from_pair. #79
Merged
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Make
ValueSum::from_pair
return aValueSum
instead of aResult<ValueSum, _>
. This makes this frequently used function easier to use. Given thatResult::Ok
was always returned before, it's safe to now remove all theResult::unwrap
s andResult::map_err
s that surrounded eachValueSum::from_pair
call.