D4003: index: write expression for encoded revision index consistently

Yuya Nishihara yuya at tcha.org
Thu Aug 2 08:54:40 EDT 2018


> -			n->children[k] = -rev - 1;
> +			n->children[k] = -(rev + 1);

This is technically less correct since (MAX_INT + 1) overflows, but maybe
we don't care?


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