Revision Difference
Global.tobool#511280
<function name="tobool" parent="Global" type="libraryfunc">⤶
<description>Attempts to return an appropriate boolean for the given value</description>⤶
<realm>Shared and Menu</realm>⤶
<file line="248-L251">lua/includes/util.lua</file>⤶
<args>⤶
<arg name="val" type="any">The object to be converted to a boolean</arg>⤶
</args>⤶
<rets>⤶
<ret name="" type="boolean">**false** for the boolean false.&lt;br /&gt;**false** for "false".&lt;br /&gt;**false** for "0".&lt;br /&gt;**false** for numeric 0.&lt;br /&gt;**false** for nil.&lt;br /&gt;&lt;br /&gt;**true** otherwise.</ret>⤶
</rets>⤶
</function>⤶
⤶
<example>⤶
<description>Demonstrate the output of this function with various values.</description>⤶
<code>⤶
print("boolean true:", tobool(true))⤶
print("boolean false:", tobool(false))⤶
print("string true:", tobool("true"))⤶
print("string false:", tobool("false"))⤶
print("numeric 0:", tobool(0))⤶
print("string 0:", tobool("0"))⤶
print("string 1:", tobool("1"))⤶
print("nil:", tobool(nil))⤶
print("text string:", tobool("not a boolean"))⤶
print("empty string:", tobool(""))⤶
</code>⤶
<output>⤶
⤶
```⤶
&lt;nowiki&gt;boolean true: true⤶
boolean false: false⤶
string true: true⤶
string false: false⤶
numeric 0: false⤶
string 0: false⤶
string 1: true⤶
nil: false⤶
text string: true⤶
empty string: true&lt;/nowiki&gt;⤶
```⤶
⤶
</output>⤶
⤶
</example>
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