| Original | New | Action | Feature Flag |
|---|---|---|---|
StackVec |
ArrayVec |
Rename only | arrayvec |
AutoVec |
SmallVec |
Refactor | smallvec |
FastVec |
FastVec |
Improve | fastvec |
Each type is gated behind its own feature flag.
When a feature is disabled, the corresponding type is not compiled, reducing binary size and compilation time.