Expression: Difference between revisions

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{{TOC|side}}
An '''expression''' is a piece of code that returns a value.
An '''expression''' is a piece of code that returns a value.


== Types of Expressions ==
 
== Expression Types ==


An expression can be:
An expression can be:


* [[Variables|variable]]
* [[Variables|variable]]
* [[Operations|operation]]
* [[Operators|operation]]
* [[:Category:Scripting Commands|scripting command]]
* [[:Category:Scripting Commands|scripting command]]
* [[Control Structures|control structure]]
* [[Control Structures|control structure]]
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=== Variable ===
=== Variable ===


An expression can be a simple [[Variables|variable]]:
An expression can be a simple [[Variables|variable]] ([[identifier]]):


'''Examples:'''
'''Examples:'''


_myVariable
<sqs>
globalVariable
_myVariable
globalVariable
</sqs>


=== Operation ===
=== Operation ===


An expression can be an [[Operations|operation]] including its [[Operand|operands]].
An expression can be an [[Operators|operation]] including its [[Operand|operands]].


'''Examples:'''
'''Examples:'''


5 * 6
<sqs>
a % 2
5 * 6
b * c
a % 2
b * c
</sqs>


=== Scripting Command ===
=== Scripting Command ===
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'''Examples:'''
'''Examples:'''


[[count]] myArray
<sqs>
[[position]] unit1
count myArray
position unit1
</sqs>


=== Control Structure ===
=== Control Structure ===
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'''Examples:'''
'''Examples:'''


if (myCondition) then {myValueA} else {myValueB}
<sqs>
; returns myValueA or myValueB
=> returns myValueA or myValueB
if (myCondition) then { myValueA } else { myValueB }
</sqs>
 


[[Category: ArmA: Scripting]]
[[Category: Syntax]]
[[Category: Scripting Topics]]

Latest revision as of 15:32, 10 January 2023

An expression is a piece of code that returns a value.


Expression Types

An expression can be:

Variable

An expression can be a simple variable (identifier):

Examples:

_myVariable globalVariable

Operation

An expression can be an operation including its operands.

Examples:

5 * 6 a % 2 b * c

Scripting Command

An expression can be a scripting command returning a value including its arguments.

Examples:

count myArray position unit1

Control Structure

An expression can be a control structure returning a value.

Examples:

; returns myValueA or myValueB if (myCondition) then { myValueA } else { myValueB }