Operator ## (Preprocessor Concatenate)


Preprocessor operator to concatenate strings

Syntax:
text##text

Description:
This operator creates a new token by concatenating the texts at both sides of it. This text can be recognized by other macros and further expanded. One use, is to create a macro that expands to different macro names, variable names, and function names depending on the arguments received.

Examples:
#define Concat(t,n) t##n

Print concat (12,34)

Dim Concat (hello,world) As Integer
Concat (hello,world)=99
Print helloworld

Output:
1234
99


Differences from QB:
See also:
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