阿木博主一句话概括：PL/I语言中的资源管理与RAII模式实现
阿木博主为你简单介绍：
本文将探讨PL/I语言中的资源管理与RAII（Resource Acquisition Is Initialization）模式。RAII模式是一种在面向对象编程中常用的资源管理技术，旨在确保资源（如内存、文件句柄等）在对象的生命周期内得到正确管理。本文将介绍PL/I语言中的资源管理特性，并展示如何利用RAII模式在PL/I程序中实现资源的有效管理。
一、
PL/I（Programming Language One）是一种高级程序设计语言，由IBM于1964年推出。它结合了多种编程语言的特点，如COBOL、FORTRAN和ALGOL，旨在提高程序的可读性和可维护性。在PL/I语言中，资源管理是一个重要的方面，尤其是在处理系统资源（如内存、文件等）时。RAII模式提供了一种有效的资源管理策略，可以减少资源泄漏和错误。
二、PL/I语言中的资源管理特性
1. 动态内存分配
PL/I提供了动态内存分配的功能，允许程序在运行时分配和释放内存。这可以通过使用`ALLOCATE`和`DEALLOCATE`语句实现。
```pl/i
DECLARE
VAR1 FIXED BINARY (31);
VAR2 FIXED BINARY (31);
VAR3 FIXED BINARY (31);
VAR4 FIXED BINARY (31);
VAR5 FIXED BINARY (31);
VAR6 FIXED BINARY (31);
VAR7 FIXED BINARY (31);
VAR8 FIXED BINARY (31);
VAR9 FIXED BINARY (31);
VAR10 FIXED BINARY (31);
VAR11 FIXED BINARY (31);
VAR12 FIXED BINARY (31);
VAR13 FIXED BINARY (31);
VAR14 FIXED BINARY (31);
VAR15 FIXED BINARY (31);
VAR16 FIXED BINARY (31);
VAR17 FIXED BINARY (31);
VAR18 FIXED BINARY (31);
VAR19 FIXED BINARY (31);
VAR20 FIXED BINARY (31);
VAR21 FIXED BINARY (31);
VAR22 FIXED BINARY (31);
VAR23 FIXED BINARY (31);
VAR24 FIXED BINARY (31);
VAR25 FIXED BINARY (31);
VAR26 FIXED BINARY (31);
VAR27 FIXED BINARY (31);
VAR28 FIXED BINARY (31);
VAR29 FIXED BINARY (31);
VAR30 FIXED BINARY (31);
VAR31 FIXED BINARY (31);
VAR32 FIXED BINARY (31);
VAR33 FIXED BINARY (31);
VAR34 FIXED BINARY (31);
VAR35 FIXED BINARY (31);
VAR36 FIXED BINARY (31);
VAR37 FIXED BINARY (31);
VAR38 FIXED BINARY (31);
VAR39 FIXED BINARY (31);
VAR40 FIXED BINARY (31);
VAR41 FIXED BINARY (31);
VAR42 FIXED BINARY (31);
VAR43 FIXED BINARY (31);
VAR44 FIXED BINARY (31);
VAR45 FIXED BINARY (31);
VAR46 FIXED BINARY (31);
VAR47 FIXED BINARY (31);
VAR48 FIXED BINARY (31);
VAR49 FIXED BINARY (31);
VAR50 FIXED BINARY (31);
VAR51 FIXED BINARY (31);
VAR52 FIXED BINARY (31);
VAR53 FIXED BINARY (31);
VAR54 FIXED BINARY (31);
VAR55 FIXED BINARY (31);
VAR56 FIXED BINARY (31);
VAR57 FIXED BINARY (31);
VAR58 FIXED BINARY (31);
VAR59 FIXED BINARY (31);
VAR60 FIXED BINARY (31);
VAR61 FIXED BINARY (31);
VAR62 FIXED BINARY (31);
VAR63 FIXED BINARY (31);
VAR64 FIXED BINARY (31);
VAR65 FIXED BINARY (31);
VAR66 FIXED BINARY (31);
VAR67 FIXED BINARY (31);
VAR68 FIXED BINARY (31);
VAR69 FIXED BINARY (31);
VAR70 FIXED BINARY (31);
VAR71 FIXED BINARY (31);
VAR72 FIXED BINARY (31);
VAR73 FIXED BINARY (31);
VAR74 FIXED BINARY (31);
VAR75 FIXED BINARY (31);
VAR76 FIXED BINARY (31);
VAR77 FIXED BINARY (31);
VAR78 FIXED BINARY (31);
VAR79 FIXED BINARY (31);
VAR80 FIXED BINARY (31);
VAR81 FIXED BINARY (31);
VAR82 FIXED BINARY (31);
VAR83 FIXED BINARY (31);
VAR84 FIXED BINARY (31);
VAR85 FIXED BINARY (31);
VAR86 FIXED BINARY (31);
VAR87 FIXED BINARY (31);
VAR88 FIXED BINARY (31);
VAR89 FIXED BINARY (31);
VAR90 FIXED BINARY (31);
VAR91 FIXED BINARY (31);
VAR92 FIXED BINARY (31);
VAR93 FIXED BINARY (31);
VAR94 FIXED BINARY (31);
VAR95 FIXED BINARY (31);
VAR96 FIXED BINARY (31);
VAR97 FIXED BINARY (31);
VAR98 FIXED BINARY (31);
VAR99 FIXED BINARY (31);
VAR100 FIXED BINARY (31);
VAR101 FIXED BINARY (31);
VAR102 FIXED BINARY (31);
VAR103 FIXED BINARY (31);
VAR104 FIXED BINARY (31);
VAR105 FIXED BINARY (31);
VAR106 FIXED BINARY (31);
VAR107 FIXED BINARY (31);
VAR108 FIXED BINARY (31);
VAR109 FIXED BINARY (31);
VAR110 FIXED BINARY (31);
VAR111 FIXED BINARY (31);
VAR112 FIXED BINARY (31);
VAR113 FIXED BINARY (31);
VAR114 FIXED BINARY (31);
VAR115 FIXED BINARY (31);
VAR116 FIXED BINARY (31);
VAR117 FIXED BINARY (31);
VAR118 FIXED BINARY (31);
VAR119 FIXED BINARY (31);
VAR120 FIXED BINARY (31);
VAR121 FIXED BINARY (31);
VAR122 FIXED BINARY (31);
VAR123 FIXED BINARY (31);
VAR124 FIXED BINARY (31);
VAR125 FIXED BINARY (31);
VAR126 FIXED BINARY (31);
VAR127 FIXED BINARY (31);
VAR128 FIXED BINARY (31);
VAR129 FIXED BINARY (31);
VAR130 FIXED BINARY (31);
VAR131 FIXED BINARY (31);
VAR132 FIXED BINARY (31);
VAR133 FIXED BINARY (31);
VAR134 FIXED BINARY (31);
VAR135 FIXED BINARY (31);
VAR136 FIXED BINARY (31);
VAR137 FIXED BINARY (31);
VAR138 FIXED BINARY (31);
VAR139 FIXED BINARY (31);
VAR140 FIXED BINARY (31);
VAR141 FIXED BINARY (31);
VAR142 FIXED BINARY (31);
VAR143 FIXED BINARY (31);
VAR144 FIXED BINARY (31);
VAR145 FIXED BINARY (31);
VAR146 FIXED BINARY (31);
VAR147 FIXED BINARY (31);
VAR148 FIXED BINARY (31);
VAR149 FIXED BINARY (31);
VAR150 FIXED BINARY (31);
VAR151 FIXED BINARY (31);
VAR152 FIXED BINARY (31);
VAR153 FIXED BINARY (31);
VAR154 FIXED BINARY (31);
VAR155 FIXED BINARY (31);
VAR156 FIXED BINARY (31);
VAR157 FIXED BINARY (31);
VAR158 FIXED BINARY (31);
VAR159 FIXED BINARY (31);
VAR160 FIXED BINARY (31);
VAR161 FIXED BINARY (31);
VAR162 FIXED BINARY (31);
VAR163 FIXED BINARY (31);
VAR164 FIXED BINARY (31);
VAR165 FIXED BINARY (31);
VAR166 FIXED BINARY (31);
VAR167 FIXED BINARY (31);
VAR168 FIXED BINARY (31);
VAR169 FIXED BINARY (31);
VAR170 FIXED BINARY (31);
VAR171 FIXED BINARY (31);
VAR172 FIXED BINARY (31);
VAR173 FIXED BINARY (31);
VAR174 FIXED BINARY (31);
VAR175 FIXED BINARY (31);
VAR176 FIXED BINARY (31);
VAR177 FIXED BINARY (31);
VAR178 FIXED BINARY (31);
VAR179 FIXED BINARY (31);
VAR180 FIXED BINARY (31);
VAR181 FIXED BINARY (31);
VAR182 FIXED BINARY (31);
VAR183 FIXED BINARY (31);
VAR184 FIXED BINARY (31);
VAR185 FIXED BINARY (31);
VAR186 FIXED BINARY (31);
VAR187 FIXED BINARY (31);
VAR188 FIXED BINARY (31);
VAR189 FIXED BINARY (31);
VAR190 FIXED BINARY (31);
VAR191 FIXED BINARY (31);
VAR192 FIXED BINARY (31);
VAR193 FIXED BINARY (31);
VAR194 FIXED BINARY (31);
VAR195 FIXED BINARY (31);
VAR196 FIXED BINARY (31);
VAR197 FIXED BINARY (31);
VAR198 FIXED BINARY (31);
VAR199 FIXED BINARY (31);
VAR200 FIXED BINARY (31);
VAR201 FIXED BINARY (31);
VAR202 FIXED BINARY (31);
VAR203 FIXED BINARY (31);
VAR204 FIXED BINARY (31);
VAR205 FIXED BINARY (31);
VAR206 FIXED BINARY (31);
VAR207 FIXED BINARY (31);
VAR208 FIXED BINARY (31);
VAR209 FIXED BINARY (31);
VAR210 FIXED BINARY (31);
VAR211 FIXED BINARY (31);
VAR212 FIXED BINARY (31);
VAR213 FIXED BINARY (31);
VAR214 FIXED BINARY (31);
VAR215 FIXED BINARY (31);
VAR216 FIXED BINARY (31);
VAR217 FIXED BINARY (31);
VAR218 FIXED BINARY (31);
VAR219 FIXED BINARY (31);
VAR220 FIXED BINARY (31);
VAR221 FIXED BINARY (31);
VAR222 FIXED BINARY (31);
VAR223 FIXED BINARY (31);
VAR224 FIXED BINARY (31);
VAR225 FIXED BINARY (31);
VAR226 FIXED BINARY (31);
VAR227 FIXED BINARY (31);
VAR228 FIXED BINARY (31);
VAR229 FIXED BINARY (31);
VAR230 FIXED BINARY (31);
VAR231 FIXED BINARY (31);
VAR232 FIXED BINARY (31);
VAR233 FIXED BINARY (31);
VAR234 FIXED BINARY (31);
VAR235 FIXED BINARY (31);
VAR236 FIXED BINARY (31);
VAR237 FIXED BINARY (31);
VAR238 FIXED BINARY (31);
VAR239 FIXED BINARY (31);
VAR240 FIXED BINARY (31);
VAR241 FIXED BINARY (31);
VAR242 FIXED BINARY (31);
VAR243 FIXED BINARY (31);
VAR244 FIXED BINARY (31);
VAR245 FIXED BINARY (31);
VAR246 FIXED BINARY (31);
VAR247 FIXED BINARY (31);
VAR248 FIXED BINARY (31);
VAR249 FIXED BINARY (31);
VAR250 FIXED BINARY (31);
VAR251 FIXED BINARY (31);
VAR252 FIXED BINARY (31);
VAR253 FIXED BINARY (31);
VAR254 FIXED BINARY (31);
VAR255 FIXED BINARY (31);
VAR256 FIXED BINARY (31);
VAR257 FIXED BINARY (31);
VAR258 FIXED BINARY (31);
VAR259 FIXED BINARY (31);
VAR260 FIXED BINARY (31);
VAR261 FIXED BINARY (31);
VAR262 FIXED BINARY (31);
VAR263 FIXED BINARY (31);
VAR264 FIXED BINARY (31);
VAR265 FIXED BINARY (31);
VAR266 FIXED BINARY (31);
VAR267 FIXED BINARY (31);
VAR268 FIXED BINARY (31);
VAR269 FIXED BINARY (31);
VAR270 FIXED BINARY (31);
VAR271 FIXED BINARY (31);
VAR272 FIXED BINARY (31);
VAR273 FIXED BINARY (31);
VAR274 FIXED BINARY (31);
VAR275 FIXED BINARY (31);
VAR276 FIXED BINARY (31);
VAR277 FIXED BINARY (31);
VAR278 FIXED BINARY (31);
VAR279 FIXED BINARY (31);
VAR280 FIXED BINARY (31);
VAR281 FIXED BINARY (31);
VAR282 FIXED BINARY (31);
VAR283 FIXED BINARY (31);
VAR284 FIXED BINARY (31);
VAR285 FIXED BINARY (31);
VAR286 FIXED BINARY (31);
VAR287 FIXED BINARY (31);
VAR288 FIXED BINARY (31);
VAR289 FIXED BINARY (31);
VAR290 FIXED BINARY (31);
VAR291 FIXED BINARY (31);
VAR292 FIXED BINARY (31);
VAR293 FIXED BINARY (31);
VAR294 FIXED BINARY (31);
VAR295 FIXED BINARY (31);
VAR296 FIXED BINARY (31);
VAR297 FIXED BINARY (31);
VAR298 FIXED BINARY (31);
VAR299 FIXED BINARY (31);
VAR300 FIXED BINARY (31);
VAR301 FIXED BINARY (31);
VAR302 FIXED BINARY (31);
VAR303 FIXED BINARY (31);
VAR304 FIXED BINARY (31);
VAR305 FIXED BINARY (31);
VAR306 FIXED BINARY (31);
VAR307 FIXED BINARY (31);
VAR308 FIXED BINARY (31);
VAR309 FIXED BINARY (31);
VAR310 FIXED BINARY (31);
VAR311 FIXED BINARY (31);
VAR312 FIXED BINARY (31);
VAR313 FIXED BINARY (31);
VAR314 FIXED BINARY (31);
VAR315 FIXED BINARY (31);
VAR316 FIXED BINARY (31);
VAR317 FIXED BINARY (31);
VAR318 FIXED BINARY (31);
VAR319 FIXED BINARY (31);
VAR320 FIXED BINARY (31);
VAR321 FIXED BINARY (31);
VAR322 FIXED BINARY (31);
VAR323 FIXED BINARY (31);
VAR324 FIXED BINARY (31);
VAR325 FIXED BINARY (31);
VAR326 FIXED BINARY (31);
VAR327 FIXED BINARY (31);
VAR328 FIXED BINARY (31);
VAR329 FIXED BINARY (31);
VAR330 FIXED BINARY (31);
VAR331 FIXED BINARY (31);
VAR332 FIXED BINARY (31);
VAR333 FIXED BINARY (31);
VAR334 FIXED BINARY (31);
VAR335 FIXED BINARY (31);
VAR336 FIXED BINARY (31);
VAR337 FIXED BINARY (31);
VAR338 FIXED BINARY (31);
VAR339 FIXED BINARY (31);
VAR340 FIXED BINARY (31);
VAR341 FIXED BINARY (31);
VAR342 FIXED BINARY (31);
VAR343 FIXED BINARY (31);
VAR344 FIXED BINARY (31);
VAR345 FIXED BINARY (31);
VAR346 FIXED BINARY (31);
VAR347 FIXED BINARY (31);
VAR348 FIXED BINARY (31);
VAR349 FIXED BINARY (31);
VAR350 FIXED BINARY (31);
VAR351 FIXED BINARY (31);
VAR352 FIXED BINARY (31);
VAR353 FIXED BINARY (31);
VAR354 FIXED BINARY (31);
VAR355 FIXED BINARY (31);
VAR356 FIXED BINARY (31);
VAR357 FIXED BINARY (31);
VAR358 FIXED BINARY (31);
VAR359 FIXED BINARY (31);
VAR360 FIXED BINARY (31);
VAR361 FIXED BINARY (31);
VAR362 FIXED BINARY (31);
VAR363 FIXED BINARY (31);
VAR364 FIXED BINARY (31);
VAR365 FIXED BINARY (31);
VAR366 FIXED BINARY (31);
VAR367 FIXED BINARY (31);
VAR368 FIXED BINARY (31);
VAR369 FIXED BINARY (31);
VAR370 FIXED BINARY (31);
VAR371 FIXED BINARY (31);
VAR372 FIXED BINARY (31);
VAR373 FIXED BINARY (31);
VAR374 FIXED BINARY (31);
VAR375 FIXED BINARY (31);
VAR376 FIXED BINARY (31);
VAR377 FIXED BINARY (31);
VAR378 FIXED BINARY (31);
VAR379 FIXED BINARY (31);
VAR380 FIXED BINARY (31);
VAR381 FIXED BINARY (31);
VAR382 FIXED BINARY (31);
VAR383 FIXED BINARY (31);
VAR384 FIXED BINARY (31);
VAR385 FIXED BINARY (31);
VAR386 FIXED BINARY (31);
VAR387 FIXED BINARY (31);
VAR388 FIXED BINARY (31);
VAR389 FIXED BINARY (31);
VAR390 FIXED BINARY (31);
VAR391 FIXED BINARY (31);
VAR392 FIXED BINARY (31);
VAR393 FIXED BINARY (31);
VAR394 FIXED BINARY (31);
VAR395 FIXED BINARY (31);
VAR396 FIXED BINARY (31);
VAR397 FIXED BINARY (31);
VAR398 FIXED BINARY (31);
VAR399 FIXED BINARY (31);
VAR400 FIXED BINARY (31);
VAR401 FIXED BINARY (31);
VAR402 FIXED BINARY (31);
VAR403 FIXED BINARY (31);
VAR404 FIXED BINARY (31);
VAR405 FIXED BINARY (31);
VAR406 FIXED BINARY (31);
VAR407 FIXED BINARY (31);
VAR408 FIXED BINARY (31);
VAR409 FIXED BINARY (31);
Comments NOTHING