Optimize String.capitalize by running the capitalization algorithm inplace.
#100486
+60
−11
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This optimizes the
capitalize-internal portion ofcapitalize, avoiding repeated allocations.I think the function is now optimal; the rest is likely inefficiency from the
_camelcase_to_underscorecall, theto_lowercall (optimized by #99971), and thereplacecall (optimized by #92475)The overall speed of the
capitalize()benchmark is improved by 25%.