Small buffer optimization

[PeterCDMcLean]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 30 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
include/bitlib/bit-iterator/bit_details.hpp	78.26%	10 Missing ⚠️
...bitlib/bit-containers/bit_array_dynamic_extent.hpp	89.02%	9 Missing ⚠️
...e/bitlib/bit-iterator/bit_word_pointer_adapter.hpp	94.54%	6 Missing ⚠️
include/bitlib/bit-algorithms/equal.hpp	89.36%	5 Missing ⚠️

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