Difference between revisions of "UM:NetXMS Scripting Language (NXSL)"

UM:NetXMS Scripting Language (NXSL) (view source)

Revision as of 22:00, 16 December 2015

414 bytes added , 22:00, 16 December 2015

Clarified array creation and usage

Tomas Kirnak

184

edits

@@ Line 223: / Line 223: @@
 == Array Initialization ==
-New array can be created in two ways. First is to use '''array''' operator:
+New array can be created in two ways. First is to use '''array''' operator. <br>
+This statement will create empty array and assign reference to it to variable ''a''.
+<syntaxhighlight lang="c">
+array a;
+</syntaxhighlight>
+You can then assign values to the array like this.<br>
+Please note arrays in NXSL are sparse, so you can have elements with nothing in between.
 <syntaxhighlight lang="c">
 array a;
+a[1] = 1;
+a[2] = 2;
+a[260] = 260;
+println(a[1]); // will print 1
 </syntaxhighlight>
-This statement will create empty array and assign reference to it to variable ''a''.
-Second way is to use %( ) construct to create array already populated with values:
+Second way is to use %( ) construct to create array already populated with values.<br>
+This statement will create array with four elements at positions 0, 1, 2, and 3, and assign reference to this array to variable ''a''.
 <syntaxhighlight lang="c">
+// no need to use "array a;" here, since we are creating it dirrectly
 a = %(1, 2, 3, 4);
+println(a[0]); // will actually print 1, since 1 is the 0th member
 </syntaxhighlight>
-This statement will create array with four elements at positions 0, 1, 2, and 3, and assign reference to this array to variable ''a''. Array initialization can also be used directly in expressions, like this:
+Array initialization can also be used directly in expressions, like this:
 <syntaxhighlight lang="c">