- Name:
- #ifdef
- Syntax:
-
#IFDEF label
(code)
#ENDIF
#IFDEF label
(code)
#ELSEIFDEF label2
(code)
#ELSE(code)
#ENDIF
- Description:
-
Conditionally compile code depending on whether a label is defined (#ifdef) or not defined (#ifndef).
#ifdef example
Example of how to use #define and #ifdef
- Code Example:
-
#define clock8 #ifdef clock8 let b1 = 8 #else let b1 = 4 #endif #undefine clock8 #ifndef clock8 let b2 = 4 #else let b2 = 8 #endif
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