Out function parameter (FunctionOutParameter)

Type	Scope	Severity	Activated by default	Minutes to fix	Tags
Code smell	BSL OS	Major	No	10	design

Description

The function must have no output parameters. All output must be in the return value. If you need to return multiple values, you should use such types as Structure, Array, etc.

Examples

// Incorrect:
ServiceURL = "";
UserName = "";
UserPassword = "";

FillConnectionParameters(ServiceURL, UserName, UserPassword);

// Correct:
ConnectionParameters = NewConnectionParameters();
// Returned value - Structure:
//     Service URL  - String
//     UserName     - String
//     UserPassword - String

Sources

Snippets

Diagnostic ignorance in code

// BSLLS:FunctionOutParameter-off
// BSLLS:FunctionOutParameter-on

Parameter for config

"FunctionOutParameter": false