assert

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Description

Description:
Tests a condition and if the condition is false, displays error on screen (if -showscripterrors enabled) and logs error into .rpt file. It does not interrupt the script execution. If script was pre-processed with preprocessFileLineNumbers, it will also show/log the error line number and the file name.
Groups:
Program Flow

Syntax

Syntax:
assert condition
Parameters:
condition: Boolean
Return Value:
Boolean - mirrors condition

Examples

Example 1:
assert (1 > 2);
PreprocessFile.jpg
Example 2:
Check function params (Faster alternative to BIS_fnc_param)
some_func = { _0 = _this select 0; _1 = _this select 1; _2 = _this select 2; if (!assert ( typeName _0 == "ARRAY" && typeName _1 == "STRING" && typeName _2 == "SCALAR" )) exitWith { /* optional error logging */ }; hint "Alright!"; }; [1,2,3] call some_func; // assert error [[1],"2",3] call some_func; // Alright!

Additional Information

See also:
try catch throw halt diag_captureFrame diag_captureSlowFrame diag_logSlowFrame

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
Roehre
Posted on May 15, 2010 - 00:01 (UTC)
Returns false, if condition is false, and returns true, if condition is true.