// JASS

globals
	string array npcName
	integer array npcAge
	unit array npcUnit
	location array npcLocation
endglobals

function SaveNpc takes hashtable table, integer index returns nothing
	call SaveStr(table, index, 0, npcName[index])
	call SaveInteger(table, index, 1, npcAge[index])
	call SaveUnitHandle(table, index, 2, npcUnit[index])
	call SaveLocationHandle(table, index, 3, npcLocation[index])
endfunction

function LoadNpc takes hashtable table, integer index returns boolean
	if (not HaveSavedStr(table, index, 0)) then
		return false
	endif
	set npcName[index] = LoadStr(table, index, 0)
	set npcAge[index] = LoadInteger(table, index, 1)
	set npcUnit[index] = LoadUnitHandle(table, index, 2)
	set npcLocation[index] = LoadLocationHandle(table, index, 3)
	return true
endfunction

function FlushNpc takes hashtable table, integer index returns nothing
	call FlushChildHashtable(table, index)
endfunction

function Test takes nothing returns nothing
	local hashtable table = InitHashtable()
	call LoadNpc(table, 0)
	call SaveNpc(table, 0)
	call FlushNpc(table, 0)
endfunction

// vJass

struct Npc
	private string m_name
	private integer m_age
	private unit m_unit
	private location m_location

	public method save takes hashtable table returns nothing
		call SaveStr(table, this, 0, npcName[index])
		call SaveInteger(table, this, 1, this.m_age)
		call SaveUnitHandle(table, this, 2, this.m_unit)
		call SaveLocationHandle(table, this, 3, this.location)
	endmethod

	public method load takes hashtable table returns boolean
		if (not HaveSavedStr(table, this, 0)) then
			return false
		endif
		set this.m_name = LoadStr(table, this, 0)
		set this.m_age = LoadInteger(table, this, 1)
		set this.m_unit = LoadUnitHandle(table, this, 2)
		set this.m_location = LoadLocationHandle(table, this, 3)
		return true
	endmethod

	public method flush takes hashtable table returns nothing
		call FlushChildHashtable(table, this)
	endmethod
endstruct

function Test takes nothing returns nothing
	local hashtable table = InitHashtable()
	local Npc npc = Npc.create()
	call npc.save(table)
	call npc.load(table)
	call npc.flush(table)
endfunction

// JASS++

class Npc
	private string m_name
	private integer m_age
	private unit m_unit
	private location m_location

	public void operator save (hashtable table) const
		save this table integer(this)

	public boolean operator load (hashtable table)
		if (!exists table integer(this))
			return false

		load this table integer(this)

		return true

	public void operator flush (hashtable table) const
		flush table integer(this)