Lua datatypes: Difference between revisions
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(Created page with "= Documentation = <blockquote> {| class="wikitable" |- | |- |} </blockquote><!-- Documentation --> = Primitives = <blockquote> == Nil == <blockquote> * <code>nil</code> is the absence of a value * <code>nil</code> within a table represents an absent key <syntaxhighlight lang="lua"> nil </syntaxhighlight> </blockquote><!-- Nil --> == Boolean == <blockquote> <syntaxhighlight lang="lua"> true false </syntaxhighlight> </blockquote><!-- Boolean --> == Number == <blockquot...") |
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Represents a block of raw memory.<br> | Represents a block of raw memory.<br> | ||
Passed as a reference.<br> | |||
* full userdata -- an object with a block of memory managed by lua | * full userdata -- an object with a block of memory managed by lua | ||
* light userdata -- a C pointer value | * light userdata -- a C pointer value | ||
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== Thread == | == Thread == | ||
<blockquote> | <blockquote> | ||
Passed as a reference. | |||
</blockquote><!-- Thread --> | </blockquote><!-- Thread --> | ||
</blockquote><!-- Primitives --> | </blockquote><!-- Primitives --> | ||
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== Table == | == Table == | ||
<blockquote> | <blockquote> | ||
Associative arrays ( | Associative arrays, passed as references to an object. | ||
* keys any lua value, except nil (including functions) | |||
* values may be any lua value, except nil | |||
</blockquote><!-- Table --> | </blockquote><!-- Table --> | ||
</blockquote><!-- Collections --> | </blockquote><!-- Collections --> | ||
Latest revision as of 20:46, 11 February 2024
Documentation
Primitives
Nil
nilis the absence of a valuenilwithin a table represents an absent keynilBoolean
true falseNumber
A single type number represents both 64-bit integers/floats.
123 123.4String
An immutable byte-sequence, encoding-agnostic.
All strings must fit iwthin a single integer.Function
Lua can call native lua, and C functions.
UserData
Represents a block of raw memory.
Passed as a reference.
- full userdata -- an object with a block of memory managed by lua
- light userdata -- a C pointer value
Thread
Passed as a reference.
Collections
Table
Associative arrays, passed as references to an object.
- keys any lua value, except nil (including functions)
- values may be any lua value, except nil
