minor: constify MatchState* parameter when possible #2797
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turns out, it's possible to constify MatchState* parameter in some parts of the binary tree algorithm, making it a pure read-only parameter, as opposed to a mutable state. This is supposed to be helpful for both maintenance and the compiler.
senhuang42
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Sep 23, 2021
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turns out, it's possible to constify
ZSTD_matchState_t*argumentin some parts of the binary tree algorithm,
making it a pure read-only parameter,
as opposed to a mutable state.
This is supposed to be helpful for both maintenance and compiler's optimization.