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table.HasValue#511840

<function name="HasValue" parent="table" type="libraryfunc">⤶ <description>⤶ Checks if a table has a value.⤶ <warning>This function is **very inefficient for large tables** (O(n)) and should probably not be called in things that run each frame. Instead, consider a table structure such as example 2 below.</warning>⤶ <note>For optimization, functions that look for a value by sorting the table should never be needed if you work on a table that you built yourself.</note>⤶ </description>⤶ <realm>Shared and Menu</realm>⤶ <file line="89-L98">lua/includes/extensions/table.lua</file>⤶ <args>⤶ <arg name="tbl" type="table">Table to check</arg>⤶ <arg name="value" type="any">Value to search for</arg>⤶ </args>⤶ <rets>⤶ <ret name="" type="boolean">Returns true if the table has that value, false otherwise</ret>⤶ </rets>⤶ </function>⤶ ⤶ <example>⤶ <description>Creates a table with values "123" and "test" and checks to see it the table holds value "apple"</description>⤶ <code>⤶ local mytable = {"123", "test"}⤶ print(table.HasValue(mytable, "apple"), table.HasValue(mytable, "test"))⤶ </code>⤶ <output>false true</output>⤶ ⤶ </example>⤶ ⤶ ⤶ <example>⤶ <description>Example usage of O(1) associative array structure</description>⤶ <code>⤶ local mytable = { ["123"] = true, test = true }⤶ print(mytable["apple"], mytable["test"])⤶ </code>⤶ <output>nil true</output>⤶ ⤶ </example>

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