foldIndexed

val numbers = arrayOf(1, 2, 3, 4, 5) // 计算所有元素的索引加权和 val weightedSum = numbers.foldIndexed(0) { index, acc, element -> acc + element * (index + 1) } // 输出：索引加权和: 55 _console.log("索引加权和: ", weightedSum)

def numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Integer"), 1, 2, 3, 4, 5)) // 计算所有元素的索引加权和 def weightedSum = numbers.foldIndexed(0) { index, acc, element -> acc + element * (index + 1) } // 输出：索引加权和: 55 $console.log("索引加权和: ", weightedSum)

let numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Integer"), 1, 2, 3, 4, 5)) // 计算所有元素的索引加权和 let weightedSum = numbers.foldIndexed(0, (index, acc, element) => acc + element * (index + 1)) // 输出：索引加权和: 55 $console.log("索引加权和: ", weightedSum)

local numbers = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.Integer"), 1, 2, 3, 4, 5)) -- 计算所有元素的索引加权和 local weightedSum = numbers:foldIndexed(0, function(index, acc, element) return acc + element * (index + 1) end) -- 输出：索引加权和: 55 _console:log("索引加权和: ", weightedSum)

<?php $numbers = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.Long"), 1, 2, 3, 4, 5)); // 计算所有元素的索引加权和 $weightedSum = $numbers->foldIndexed(0, function ($index, $acc, $element) { return $acc + $element * ($index + 1); }); // 输出：索引加权和: 55 $console->log("索引加权和: ", $weightedSum);

numbers = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5)) # 计算所有元素的索引加权和 weightedSum = numbers.foldIndexed(0, lambda index, acc, element: acc + element * (index + 1)) # 输出：索引加权和: 55 _console.log("索引加权和: ", weightedSum)

# encoding: utf-8 numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5)) # 计算所有元素的索引加权和 weightedSum = numbers.foldIndexed(0) { |index, acc, element| acc + element * (index + 1) } # 输出：索引加权和: 55 $console.log("索引加权和: ", weightedSum)