deno.land / x / rambda@v9.1.1 / source / findIndex.js
123456789101112131415export function findIndex(predicate, list){ if (arguments.length === 1) return _list => findIndex(predicate, _list)
const len = list.length let index = -1
while (++index < len){ if (predicate(list[ index ])){ return index } }
return -1}
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