3 ms·
Nomenclature varies, but I'm guessing the author of comment is using 'union' as the sum analog of tuples (unnamed fields) and 'sum' as the sum analog of struct/
by hermanhermitage 9y ago
Nomenclature varies, but I'm guessing the author of comment is using 'union' as the sum analog of tuples (unnamed fields) and 'sum' as the sum analog of struct/records (ie named fields).