When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Sub-programs, functions, procedures and methods make use of variables. Variables close variableA specific location in RAM (main memory) that stores a value used by a program can be declared as: A ...

Global macro variables include the following: all automatic macro variables except SYSPBUFF. See Chapter 13, "Macro Language Dictionary," for more information on SYSPBUFF and other automatic macro ...