HP49-HP50 : when {list of repeated solutions} —> {list with no rep. sol}

[pier4r]

(12-22-2022 02:40 AM)Joe Horn Wrote:  If your code only needs to run on the HP 50g, not a 48, then #2FD006h FLASHEVAL is a built-in routine for removing duplicates from any list.

Example:

{ 1 2 3 2 5 5 4 } #2FD006h FLASHEVAL --> { 1 2 3 5 4 }

Is this sorcery? More seriously: is this documented anywhere in the official docs? (just to understand how one could discover it) Does it use '==' or SAME ? How is its speed?