foldRightIndexed

val words = arrayOf("hello", "world", "kotlin") // 从右到左连接所有单词，并添加索引信息 val joinedString = words.foldRightIndexed("") { index, word, acc -> acc + index + "_" + word + " " } // 输出：连接后的字符串: 2_kotlin 1_world 0_hello _console.log("连接后的字符串: ", joinedString)

def words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin")) // 从右到左连接所有单词，并添加索引信息 def joinedString = words.foldRightIndexed("") { index, word, acc -> acc + index + "_" + word + " " } // 输出：连接后的字符串: 2_kotlin 1_world 0_hello $console.log("连接后的字符串: ", joinedString)

let words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin")) // 从右到左连接所有单词，并添加索引信息 let joinedString = words.foldRightIndexed("", (index, word, acc) => acc + index + "_" + word + " " ) // 输出：连接后的字符串: 2_kotlin 1_world 0_hello $console.log("连接后的字符串: ", joinedString)

local words = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "hello", "world", "kotlin")) -- 从右到左连接所有单词，并添加索引信息 local joinedString = words:foldRightIndexed("", function(index, word, acc) return acc .. index .. "_" .. word .. " " end) -- 输出：连接后的字符串: 2_kotlin 1_world 0_hello _console:log("连接后的字符串: ", joinedString)

<?php $words = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.String"), "hello", "world", "kotlin")); // 从右到左连接所有单词，并添加索引信息 $joinedString = $words->foldRightIndexed("", function ($index, $word, $acc) { return $acc . $index . "_" . $word . " "; }); // 输出：连接后的字符串: 2_kotlin 1_world 0_hello $console->log("连接后的字符串: ", $joinedString);

words = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.String"), "hello", "world", "kotlin")) # 从右到左连接所有单词，并添加索引信息 joinedString = words.foldRightIndexed("", lambda index, word, acc: acc + str(index) + "_" + word + " ") # 输出：连接后的字符串: 2_kotlin 1_world 0_hello _console.log("连接后的字符串: ", joinedString)

# encoding: utf-8 words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin")) # 从右到左连接所有单词，并添加索引信息 joinedString = words.foldRightIndexed("") { |index, word, acc| acc.to_s + index.to_s + "_" + word + " " } # 输出：连接后的字符串: 2_kotlin 1_world 0_hello $console.log("连接后的字符串: ", joinedString)