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var safeCb = require('./safeCb');
exports = function(arr, predicate, ctx, dir) {
dir = dir || 1;
predicate = safeCb(predicate, ctx);
var len = arr.length;
var i = dir > 0 ? 0 : len - 1;
while (i >= 0 && i < len) {
if (predicate(arr[i], i, arr)) return i;
i += dir;
}
return -1;
};
module.exports = exports;