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Lists are stored in variables as references, so multiple variables can refer to the same shared list: If you change a shared list through a variable, e.g. by changing the value of an element, you change it as well for all other variables. However, the operators == and != can also be used on two distinct lists to compare their elements.
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When using <remove_from_list/>, be aware that all elements are checked and potentially removed during the action. Do not provide this action with a index lookup of that list as it may become out of bounds. Bad usage attempting to remove the last element of the list: <remove_from_list name="$List" exact="$List.{$List.count}"/> If you know the index, simply use <remove_value/> e.g. <remove_value name="$List.{$List.count}"/> |
Anchor tables tables
Tables
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Tables are associative arrays - they are like lists, but you can assign values to (almost) arbitrary keys, not just to index numbers. A table is constructed within an expression using the table[] syntax. See the section about value properties for how to access the contents of a table. Creating and removing entries works similarly to lists, but instead of inserting, you simply assign a value to a table key. If the key does not exist yet, it will be created.
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