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io::reader needs a method to read into a preallocated vec #2901

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io::reader needs a method to read into a preallocated vec#2901
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C-enhancementCategory: An issue proposing an enhancement or a PR with one.I-slowIssue: Problems and improvements with respect to performance of generated code.

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@erickt
erickt
opened on Jul 13, 2012

This will remove a malloc, and potentially speed up some io-heavy operations.

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    C-enhancementCategory: An issue proposing an enhancement or a PR with one.I-slowIssue: Problems and improvements with respect to performance of generated code.

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