create less objects for zipWithIndex#8685
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lrytz merged 1 commit intoscala:2.12.xfrom Feb 3, 2020
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hrhino
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Feb 2, 2020
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avoid the IntRef and foreach
if preferred we could keep the foreach and have an 'object zipper extends function` which contains the var, but I thought this was simpler, and more in line with the other usages in the class, and it saves another object