buffer: use constexpr where possible #58141
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #58141 +/- ##
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Coverage 90.17% 90.18%
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Files 630 630
Lines 186473 186473
Branches 36613 36615 +2
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+ Hits 168160 168166 +6
+ Misses 11128 11119 -9
- Partials 7185 7188 +3
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Just for my education, does it really change the assembly emitted by compilers. This seems trivial to optimize but I don't know much about it 🙈 |
targos
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May 3, 2025
Yes. The if statement that checks for these conditions will not be evaluated on runtime, but rather on compile time. Since this parameter is a template argument, we can make it a constexpr. |
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Landed in 2c36ffe |
targos
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May 16, 2025
PR-URL: #58141 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Darshan Sen <[email protected]> Reviewed-By: Robert Nagy <[email protected]>
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PR-URL: #58141 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Darshan Sen <[email protected]> Reviewed-By: Robert Nagy <[email protected]>
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Self-explanatory cc @nodejs/buffer