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Realloc is a bit confusing #107875

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alexevier opened this issue Feb 10, 2023 · 2 comments
Closed

Realloc is a bit confusing #107875

alexevier opened this issue Feb 10, 2023 · 2 comments
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A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools

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@alexevier
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https://doc.rust-lang.org/std/alloc/trait.GlobalAlloc.html#method.realloc

Summary

Realloc (in the trait for GlobalAlloc) is confusing in my opinion, what means the new_size parameter?
The size in bytes or how many times the size that is inside the layout?
In the way it is written seems to mean the bytes but it should be explicit that it means the size in bytes.
@alexevier alexevier added the A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools label Feb 10, 2023
@workingjubilee workingjubilee mentioned this issue Feb 10, 2023
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matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Feb 10, 2023
@matthiaskrgr
Rollup merge of rust-lang#107878 - workingjubilee:new-size-means-byte…
3c8d9c5 
…s, r=scottmcm

Clarify `new_size` for realloc means bytes

Minor docs fix requested by rust-lang#107875
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue Feb 11, 2023
@Dylan-DPC
Rollup merge of rust-lang#107878 - workingjubilee:new-size-means-byte…
dfc2422 
…s, r=scottmcm

Clarify `new_size` for realloc means bytes

Minor docs fix requested by rust-lang#107875
@workingjubilee
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Thank you! I added a clarification to the docs (it is in bytes).

@alexevier
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thank you, for taking to look into this

thomcc pushed a commit to tcdi/postgrestd that referenced this issue May 31, 2023
@Dylan-DPC
Rollup merge of #107878 - workingjubilee:new-size-means-bytes, r=scot…
89358bd 
…tmcm

Clarify `new_size` for realloc means bytes

Minor docs fix requested by rust-lang/rust#107875
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