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Array.partitiononcondition gives the same with matching and unmatching as two separate arrays.
==Related==
Array.collectwhile=Array.filteroncondition with SomeTakeDropOrAllFlag (0);
Array.suchthat=Array.filteroncondition with SomeTakeDropOrAllFlag (0);
Array.collect=Array.suchthat as previous;
Array.takewhile=Array.filteroncondition with SomeTakeDropOrAllFlag(1);
Array.dropwhile=Array.filteroncondition with SomeTakeDropOrAllFlag(2);
Array.collectwhileasvector=Array.filteroncondition with SomeTakeDropOrAllFlag(10);
Array.suchthatasvector=Array.filteroncondition with SomeTakeDropOrAllFlag(10);
Array.collectasvector=Array.suchthatasvector; as previous
Array.takewhileasvector=Array.filteroncondition with SomeTakeDropOrAllFlag(11);
Array.dropwhileasvector=Array.filteroncondition with SomeTakeDropOrAllFlag(12);
Array.prototype.splitwhile=Array.prototype.partitiononcondition with SomeTakeDropOrAllFlag(0);
Array.prototype.splitwhileasvector=Array.prototype.partitiononcondition with SomeTakeDropOrAllFlag(10);
Please note that "asvector" implies each row in the array is treated as one to check the condition (like a vector).
For example, [1..10,2..3].collectwhileasvector("x[0]<5") will give the answer as the input itself, because in both rows, x[0] <5 is true. Here for each vector (or row), the function is applied to check if it should be collected or not.
Generally the flag means:
0 or 1 means take
2 means drop
10 or 11 means take as vector (flattened)
12 means drop take as vector (flattened)