Conceptintro
ABA problem
Also called ABA, ABA hazard.
A CAS succeeds although the location changed A to B and back to A, so the comparison is misled.
A CAS succeeds although the location changed A to B and back to A, so the comparison is misled.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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