History of Idiom 119 > diff from v30 to v31
Edit summary for version 31 by canonical.chris:
New Java implementation by user [canonical.chris]
New Java implementation by user [canonical.chris]
↷
Version 30
2018-03-09, 13:34:19
Version 31
2018-04-07, 10:20:55
Idiom #119 Deduplicate list
Remove duplicates from list x.
Explain if original order is preserved.
Idiom #119 Deduplicate list
Remove duplicates from list x.
Explain if original order is preserved.
Comments bubble
Upon first occurrence, store item in seen; all future occurrences of the item remove it from the list via the iterator, which removes the last-returned item.