如何在java中使用Mustache模板Lambda解析字符串数组

<dependency>
    <groupId>com.github.spullara.mustache.java</groupId>
    <artifactId>compiler</artifactId>
    <version>0.9.6</version>
</dependency>

{{#strings}}
    {{#lambda}}{{.}}{{/lambda}}
{{/strings}}

import com.github.mustachejava.DefaultMustacheFactory;
import com.github.mustachejava.Mustache;
import com.github.mustachejava.MustacheFactory;
import java.io.IOException;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] args) {
        // 构建字符串数组
        String[] strings = {"Hello", "World", "Mustache"};

        // 创建Mustache模板引擎
        MustacheFactory mf = new DefaultMustacheFactory();
        Mustache mustache;
        try {
            // 加载Mustache模板文件
            mustache = mf.compile("template.mustache");

            // 创建数据模型
            Map<String, Object> data = new HashMap<>();
            data.put("strings", strings);
            data.put("lambda", (Mustache.Lambda) (frag, out) -> {
                // Lambda表达式的实现
                out.write(frag.execute().toString().toUpperCase());
            });

            // 执行模板渲染
            StringWriter writer = new StringWriter();
            mustache.execute(writer, data);
            System.out.println(writer.toString());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}