Avoid excessive allocations and copies in iter::to_vec #5867
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The foldl based implementation allocates lots of unneeded vectors. iter::map_to_vec is already optimized to avoid these.
bors
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The foldl based implementation allocates lots of unneeded vectors. iter::map_to_vec is already optimized to avoid these. One place that benefits quite a lot from this is the metadata decoder, helping with compile times for tiny programs.
flip1995
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Aug 11, 2020
Rustup r? @ghost changelog: none
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The foldl based implementation allocates lots of unneeded vectors.
iter::map_to_vec is already optimized to avoid these.
One place that benefits quite a lot from this is the metadata decoder, helping with compile times for tiny programs.