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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 60x 3457x 3457x 3457x 3457x 435x 435x 435x 435x 435x 430x 430x 430x 285x 3457x | import type {SliceTypeSteps} from '../slice';
export const commonLength = (a: SliceTypeSteps, b: SliceTypeSteps): number => {
const aLength = a.length;
const bLength = b.length;
let i = 0;
while (i < aLength && i < bLength) {
const aStep = a[i];
const bStep = b[i];
const aTag = Array.isArray(aStep) ? aStep[0] : aStep;
const bTag = Array.isArray(bStep) ? bStep[0] : bStep;
if (aTag !== bTag) break;
const aDiscriminant = Array.isArray(aStep) ? aStep[1] : 0;
const bDiscriminant = Array.isArray(bStep) ? bStep[0] : 0;
if (aDiscriminant !== bDiscriminant) break;
i++;
}
return i;
};
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