Scope minimization helps to capture common programming errors, improves code readability by tying together the declaration and actual use and eases maintainability since unused variables are easily caught and removed.
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Noncompliant Code Example
This non-compliant noncompliant example shows a variable that is declared outside the for loop. This can harm reusability since the loop index i will change after the for statement. Consider for instance, if this code snippet is copy pasted with the intent of using a different index j but the statement mistakenly still iterates over index i. Since i is still in scope, this will lead to a rather obtuse outcome.
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Rule | Severity | Likelihood | Remediation Cost | Priority | Level | |
|---|---|---|---|---|---|---|
SCP00-J | low | unlikely | medium | P?? | P2 | L3 L?? |
Automated Detection
TODO
Related Vulnerabilities
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