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support clearing TypedArena with the chunks preserved #18261

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thestinger opened this issue Oct 23, 2014 · 0 comments
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support clearing TypedArena with the chunks preserved #18261

thestinger opened this issue Oct 23, 2014 · 0 comments
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A-collections Area: `std::collection` I-slow Issue: Problems and improvements with respect to performance of generated code.

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@thestinger
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It would be pretty simple to add this functionality, and it would allow catching up to the apr-based binary-trees implementation.
@thestinger thestinger added A-libs I-slow Issue: Problems and improvements with respect to performance of generated code. labels Oct 23, 2014
@thestinger thestinger self-assigned this Oct 23, 2014
@thestinger thestinger changed the title support clearing the TypedArena with the chunks preserved support clearing TypedArena with the chunks preserved Oct 28, 2014
@kmcallister kmcallister added the A-collections Area: `std::collection` label Jan 16, 2015
@thestinger thestinger removed their assignment Jan 28, 2015
@emberian emberian self-assigned this Mar 25, 2015
@pczarn pczarn mentioned this issue Aug 13, 2015
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@emberian emberian removed their assignment Jan 5, 2016
pczarn added a commit to pczarn/rust that referenced this issue Jan 5, 2016
@pczarn
Implement fn alloc_bytes for Arena and fn clear for both arena types
7899699 
Closes rust-lang#18471
Closes rust-lang#18261
bors added a commit that referenced this issue Jan 11, 2016
@bors
Auto merge of #27807 - pczarn:arena-internals, r=bluss
dfaddb7 
Fixes #18037 "TypedArena cannot handle zero-sized types".
Closes #17931 "improve chunk allocation scheme used by Arena / TypedArena".
Closes #22847 "TypedArena should implement Send". - N.B. Arena cannot implement Send, since it may contain non-Send values.
Closes #18471 "`Arena::alloc_copy_inner` (at least) should be renamed and made public." - Added `Arena::alloc_bytes`.
Closes #18261 "support clearing TypedArena with the chunks preserved". - Only the largest chunk is preserved.
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A-collections Area: `std::collection` I-slow Issue: Problems and improvements with respect to performance of generated code.
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@kmcallister @emberian @thestinger