Using Nasal functions: Difference between revisions

Using Nasal functions (view source)

483 bytes added , 29 July 2014

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 </syntaxhighlight>
-Functions are typically called by appending parentheses to the function name, empty parentheses for function calls without any arguments.
+To actually call the function, you can use the '''call()''' API, which expects
+* the function name
+* a vector with arguments:
+<syntaxhighlight lang="nasal">
+var hello = func() {
+ print("Hello !");
+};
+call( hello,[] );
+</syntaxhighlight>
+The '''call()''' API provides the greatest degree of flexibility, because it allows you to directly specify:
+* function  (func)
+* arguments (vector)
+* object (me reference/hash)
+* namespace (hash)
+* vector for list of errors (if any)
+But, usually, Functions are just called by appending parentheses to the function name, empty parentheses for function calls without any arguments:
 <syntaxhighlight lang="nasal">