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fun [2019/12/09 22:19] – [Calling functions] neilsfun [2020/08/07 09:02] (current) – correct FUNC to FUN thraka
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 The ''FUN ... ENDFUN'' directives are used for defining a user function. Functions are similar to procedures with the exception that: The ''FUN ... ENDFUN'' directives are used for defining a user function. Functions are similar to procedures with the exception that:
  
-  * They **must** return a value +  * They **must** return a value. 
-  * They can be called from within an expression+  * They can be called from within an expression. 
 + 
 +The name of the function and the name of a parameter **can't** start with a command or directive name. For example, you can't define a function named ''repeatnumber'' as ''REPEAT'' is a command. Likewise, you can't name a parameter ''funparameter1'' as ''FUN'' is a directive.
  
 ===== Defining functions ===== ===== Defining functions =====
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 ===== Recursion ===== ===== Recursion =====
  
-Unlike in procedures, recursion is not supported in functions yet.+While procedures do support direct recursion, functions don't.