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| Code Block | ||||
|---|---|---|---|---|
| ||||
my $result = compute_number(); print "The result is $result\n"; |
Related Guidelines
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Risk Assessment
Using undeclared variables usually can lead to incorrect results and surprising program behavior.
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Tool | Diagnostic |
|---|---|
| Name .* used only once. possible typo |
use strict; | Global symbol .* requires explicit package name |
Perl::Critic
| Policy::TestingAndDebugging::RequireUseWarnings |
Policy::TestingAndDebugging::RequireUseStrict |
Bibliography
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| [CPAN] | Elliot Shank, Perl-Critic-1.116, Policy::TestingAndDebugging::RequireUseWarnings and Policy::TestingAndDebugging::RequireUseStrict |
| [Wall 2011] | perldiag, perlfunc |
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