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/**
 * This is a Ddoc block comment
 * Authors: Melvin D. Nerd, melvin@mailinator.com
 * Bugs:    Doesn't work for negative values.
 * Date:    March 14, 2003
 */

module hello;
import std.stdio;

/**
  * This is a documentation comment block
  * @param xxx does this (this is the documentation keyword)
  * @authr some user (this is the documentation keyword error)
  */

void main(string[] args)
{
    /*
     * Sample preview code
     * This is a block comment
     */

    /// Deprecated: superseded by function bar().
    void foo() {  }

    int numbers[20];
	int average = 0;
	char ch = '\n';
    int a =     /+ Nested Comment +/ 1;
    int b = 2;  // Line Comment

    writefln("Hello World, Reloaded");

    // auto type inference and built-in foreach
    foreach (argc, argv; args)
    {
        // Improved typesafe printf
        writeln("argc: ", argc, " arg: ", argv);
    }

    // Nested structs and classes
    struct specs
    {
        // all members automatically initialized
        int count, allocated;
    }

    // Nested functions can refer to outer
    // variables like args
    specs argspecs()
    {
        specs* s = new specs;
        // no need for '->'
        s.count = args.length;		       // get length of array with .length
        s.allocated = typeof(args).sizeof; // built-in native type properties
        foreach (argv; args)
            s.allocated += argv.length * typeof(argv[0]).sizeof;
        return *s;
    }

    // built-in string and common string operations
    writefln("argc = %d, " ~ "allocated = %d",
	argspecs().count, argspecs().allocated);
}