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An array is a reference to a header that never moves (#453, #477) - #480

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ASDAlexander77 merged 18 commits into

mainfrom

array-reference-switch

Oct 4, 2026

Merged

An array is a reference to a header that never moves (#453, #477)#480
ASDAlexander77 merged 18 commits into
mainfrom
array-reference-switch

Commits on Oct 3, 2026
- Spec: arrays as references (#453, #477)
  
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- Plan: arrays as references (#453, #477); spec takes the plan's rulings
  
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- Lowering: one helper knows the array layout (array ops in LowerToLLVM.cpp)
  
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- Lowering: casts, constants and ownership routines read arrays through ArrayLayout
  
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- A destructuring rest element is a new array (#477)
  
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- An array is a reference to a header that never moves (#453)
  
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- A declared array with no initializer starts as no array (#453)
  
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- A view retains what it copies; capacity follows length (#453)
  
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- The view test states how many elements each view has (#453)
  
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- Merge remote-tracking branch 'origin/main' into array-reference-switch
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- main's argv is Ref<string> only; a string[] argv is a compile error
  
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- A string[] argv of main is refused ahead of time too (not in a DLL)
  
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- Debug info: an array is a pointer to { data, length, capacity }
  
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- own: a push through a borrowed array parameter is the owner's (#453)
  
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- The argv DLL test links from the build tree, not the environment
  
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Commits on Oct 4, 2026
- rc: the header holds a counted reference to its data block
  
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- own: the header's release frees its data block outright, as before
  
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- Spec and MLIRGen comment: the rest copy is an element copy, not a push loop
  
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Commits

Commits on Oct 3, 2026

Commits on Oct 4, 2026