isEqualTo

1.16

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Description

Description:

Performs strict comparison between var1 and var2 and returns true if equal, otherwise false. Strict means that it would check that both arguments are of the same data type and then compare the values.

Some differences between isEqualTo and ==:

• It performs case sensitive comparison on Strings
• It doesn't throw error when comparing different types, i.e. ("eleven" isEqualTo 11)
• It can compare Arrays, Scripts and Booleans (alive player isEqualTo true)
• It can compare non-existent game objects (grpNull isEqualTo grpNull)
• It can compare Namespaces (As of Arma 3 v1.47)
• It is slightly faster than ==, especially when comparing Strings
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Groups:

Variables

Syntax

Syntax:

val1 isEqualTo val2

Parameters:

val1: Anything

val2: Anything

Return Value:

Boolean

Examples

Example 1:

_arr1 = [1,[2,[3]]]; _arr2 = [1,[2,[3]]]; if (_arr1 isEqualTo _arr2) then {hint "Arrays match!"}

Example 2:

if (a isEqualTo b) then {hint "a is equal to b"}; if !(a isEqualTo b) then {hint "a is not equal to b"};

Additional Information

See also:

isNotEqualTo isEqualTypeAll isEqualTypeAny isEqualType isEqualTypeParams isEqualTypeArray a == b Operators

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note

Posted on December 3, 2014 - 13:11 (UTC)

Tajin

Simply put, "isEqualTo" is a binary comparison. Therefor it is very fast but only accepts 100% identical matches. In some other languages this is known as "===" instead of "==".

Posted on November 3, 2016 - 02:39 (UTC)

Dedmen

When comparing with nil result is Nothing.

nil isEqualTo player;

Returns Nothing instead of expected false diag_log [nil isEqualTo player]; Will print [bool]