**[[Reserved for Mark Sherman's Class]]** In https://github.com/processing/processing4/blob/main/core/src/processing/data/IntList.java#L166-L171 We are not doing a lower bounds check on `index`. We don't know what would happen with negative indices. 1. Please write a test to see what happens when there is a negative index, 2. Update the test to check if we do the "right-thing" in that case (probably an exception? please figure it out! (or discuss with me :) )) 3. Update the code to make the test pass!
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marksherman commentedon Feb 11, 2026
@smarasca5 will want this one. Sam, comment in here so Moon can assign you
smarasca5 commentedon Feb 11, 2026
assign me please! :) @catilac
catilac commentedon Feb 11, 2026
@smarasca5 boop!