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fix sugar expression lifetimes, aliased assignment, and operand lengths - #1513

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kevinushey wants to merge 13 commits into

bugfix/sugar-soundness

Commits on Sep 30, 2026
- hold nested sugar expressions and views by value
  kevinushey
  committed
  14c88c5
- evaluate non-elementwise sugar before writing it in place
  kevinushey
  committed
  ecd157f
- check that sugar operands have matching lengths
  kevinushey
  committed
  dd71cd5
- let rows and columns read matching views in place
  kevinushey
  committed
  617bb03
- keep sugar length-check errors out of line
  kevinushey
  committed
  60f24be
- document sugar operand lengths, lifetimes, and assignment
  kevinushey
  committed
  878bea9
- update NEWS
  kevinushey
  committed
  3292c48
- fix !, &&, and || on single logical results
  kevinushey
  committed
  dcca2a1
- update NEWS
  kevinushey
  committed
  e03c2ed
- route range-to-range assignment through the aliasing checks
  kevinushey
  committed
  32b70a4
- read subset elements before writing when both index the same vector
  kevinushey
  committed
  d4cbe58
Commits on Oct 9, 2026
- index lapply operands through VectorBase so vectors yield their stored type
  kevinushey
  committed
  e6a267b
- update ChangeLog
  kevinushey
  committed
  2e6ab0b