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DCL31-EX0: This rule does not apply to object methods. Object methods are easy for the parser to distinguish from built-in functions or keywords because of their distinct syntax.
Related Guidelines
| CERT C Secure Coding Standard | DCL37-C. Do not declare or define a reserved identifier |
|---|---|
| CERT C++ Secure Coding Standard | DCL32-CPP. Do not declare or define a reserved identifier |
Risk Assessment
Using reserved keywords can lead to unexpected program behavior and surprising results.
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Tool | Diagnostic |
|---|---|
Perl::Critic | Subroutines::ProhibitBuiltinHomonyms |
Related Guidelines
| CERT C Secure Coding Standard | DCL37-C. Do not declare or define a reserved identifier |
|---|---|
| CERT C++ Secure Coding Standard | DCL32-CPP. Do not declare or define a reserved identifier |
Bibliography
| [Conway 2005] | "Homonyms," p. 177 |
| [CPAN] | Elliot Shank, Perl-Critic-1.116 Subroutines::ProhibitBuiltinHomonyms |
| [Wall 2011] | perlfunc, perlsyn |
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