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--- 4rpl:commands:call [2021/01/13 18:19] – created virgilw
+++ 4rpl:commands:call [2021/01/15 08:34] (current) – added H1 and H2 headers, fixed and clarified faulty example Sanian
@@ Line 2: / Line 2: @@
 <=[[4rpl:start| Index]]
-=== Syntax ===
+====== Function Call ======
-@FUNCTIONCALL
-=== Description ===
+===== Syntax =====
-Invokes a function named FUNCTIONCALL
-Execution passes to the function that is named and returns to the statement
-after the call when the function is complete.
-Arguments can be passed to and received from functions via the stack.
-=== Examples ===
+@FUNCTIONNAME
-<code 4rpl>trace(@MyMathFunction(3 4))
+===== Description =====
+Invokes a function named **FUNCTIONNAME**. Execution passes to said function and returns to the statement
+after the call when the function is complete. Arguments can be passed to and received from functions via the stack.
+===== Examples =====
+<code 4rpl>
+4 @MyMathFunction Trace  # will print 9 to the stack (3 * 4 - 3)
 :MyMathFunction
-   <-b <-a *
+   ->b ->a         # read 2 items from the stack
+   <-a <-b * <-a - # multiply both and subtract the first
 </code>

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