| 释义 |
REFER expression REFER表达式 In PL/1, the expression preceding the keyword REFER, from which an original bound, length, or size is taken when a based variable containing a REFER option is allocated, either by an ALLOCATE or LOCATE statement. 在PL/1语言中,后面加有关键字REFER的表达式,当使用ALLOCATE或LOCATE语句分配一个含有REFER任选项的基变量时,就从 该表达式中取得该变量的初始界限、长度或大小。 |