section 3 · Library functions 📚

P (continued)

• Perl::Critic::Policy::Documentation::ProhibitLinkToSelf(3pm)don't L<> link to own POD✨
• Perl::Critic::Policy::Documentation::ProhibitParagraphEndComma(3pm)avoid comma at end of section✨
• Perl::Critic::Policy::Documentation::ProhibitParagraphTwoDots(3pm)don't end a paragraph with two dots✨
• Perl::Critic::Policy::Documentation::ProhibitUnbalancedParens(3pm)don't leave an open bracket or paren✨
• Perl::Critic::Policy::Documentation::ProhibitVerbatimMarkup(3pm)unexpanded C<> etc markup in POD verbatim paras✨
• Perl::Critic::Policy::Documentation::RequireEndBeforeLastPod(3pm)require __END__ before POD at end of file✨
• Perl::Critic::Policy::Documentation::RequireFilenameMarkup(3pm)markup /foo filenames✨
• Perl::Critic::Policy::Documentation::RequireFinalCut(3pm)end POD with =cut directive✨
• Perl::Critic::Policy::Documentation::RequireLinkedURLs(3pm)use L<> markup on URLs in POD✨
• Perl::Critic::Policy::Documentation::RequirePackageMatchesPodName(3pm)The "=head1 NAME" section should match the package.✨
• Perl::Critic::Policy::Documentation::RequirePodAtEnd(3pm)All POD should be after "__END__".✨
• Perl::Critic::Policy::Documentation::RequirePodSections(3pm)Organize your POD into the customary sections.✨
• Perl::Critic::Policy::Documentation::RequirePODUseEncodingUTF8(3pm)Require that all modules that contain POD have a "=encoding utf8" declaration.✨
• Perl::Critic::Policy::Dynamic::ValidateAgainstSymbolTable(3pm)✨
• Perl::Critic::Policy::Editor::RequireEmacsFileVariables(3pm)Per-file editor settings.✨
• Perl::Critic::Policy::ErrorHandling::RequireCarping(3pm)Use functions from Carp instead of "warn" or "die".✨
• Perl::Critic::Policy::ErrorHandling::RequireCheckingReturnValueOfEval(3pm)You can't depend upon the value of "$@"/"$EVAL_ERROR" to tell whether an "eval" failed.✨
• Perl::Critic::Policy::ErrorHandling::RequireUseOfExceptions(3pm)Use exceptions instead of "die", "croak", or "confess".✨
• Perl::Critic::Policy::Freenode::AmpersandSubCalls(3pm)Don't use & to call subroutines✨
• Perl::Critic::Policy::Freenode::ArrayAssignAref(3pm)Don't assign an anonymous arrayref to an array✨
• Perl::Critic::Policy::Freenode::BarewordFilehandles(3pm)Don't use bareword filehandles other than built-ins✨
• Perl::Critic::Policy::Freenode::ConditionalDeclarations(3pm)Don't declare variables conditionally✨
• Perl::Critic::Policy::Freenode::ConditionalImplicitReturn(3pm)Don't end a subroutine with a conditional block✨
• Perl::Critic::Policy::Freenode::DeprecatedFeatures(3pm)Avoid features that have been deprecated or removed from Perl✨
• Perl::Critic::Policy::Freenode::DiscouragedModules(3pm)Various modules discouraged from use✨
• Perl::Critic::Policy::Freenode::DollarAB(3pm)Don't use $a or $b as variable names outside sort✨
• Perl::Critic::Policy::Freenode::Each(3pm)Don't use each to iterate through a hash✨
• Perl::Critic::Policy::Freenode::EmptyReturn(3pm)Don't use return with no arguments✨
• Perl::Critic::Policy::Freenode::IndirectObjectNotation(3pm)Don't call methods indirectly✨
• Perl::Critic::Policy::Freenode::LexicalForeachIterator(3pm)Don't use undeclared foreach loop iterators✨
• Perl::Critic::Policy::Freenode::LoopOnHash(3pm)Don't loop over hashes✨
• Perl::Critic::Policy::Freenode::ModPerl(3pm)Don't use mod_perl to write web applications✨
• Perl::Critic::Policy::Freenode::MultidimensionalArrayEmulation(3pm)Don't use multidimensional array emulation✨
• Perl::Critic::Policy::Freenode::OpenArgs(3pm)Always use the three-argument form of open✨
• Perl::Critic::Policy::Freenode::OverloadOptions(3pm)Don't use overload without specifying a bool overload and enabling fallback✨
• Perl::Critic::Policy::Freenode::PackageMatchesFilename(3pm)Module files should declare a package matching the filename✨
• Perl::Critic::Policy::Freenode::POSIXImports(3pm)Don't use POSIX without specifying an import list✨
• Perl::Critic::Policy::Freenode::PreferredAlternatives(3pm)Various modules with preferred alternatives✨
• Perl::Critic::Policy::Freenode::Prototypes(3pm)Don't use function prototypes✨
• Perl::Critic::Policy::Freenode::StrictWarnings(3pm)Always use strict and warnings, or a module that imports these✨
• Perl::Critic::Policy::Freenode::Threads(3pm)Interpreter-based threads are officially discouraged✨
• Perl::Critic::Policy::Freenode::Wantarray(3pm)Don't write context-sensitive functions using wantarray✨
• Perl::Critic::Policy::Freenode::WarningsSwitch(3pm)Scripts should not use the -w switch on the shebang line✨
• Perl::Critic::Policy::Freenode::WhileDiamondDefaultAssignment(3pm)Don't use while with implicit assignment to $_✨
• Perl::Critic::Policy::InputOutput::ProhibitBacktickOperators(3pm)Discourage stuff like "@files = `ls $directory`".✨
• Perl::Critic::Policy::InputOutput::ProhibitBarewordDirHandles(3pm)Write "opendir my $dh, $dirname;" instead of "opendir DH, $dirname;".✨
• Perl::Critic::Policy::InputOutput::ProhibitBarewordFileHandles(3pm)Write "open my $fh, q{<}, $filename;" instead of "open FH, q{<}, $filename;".✨
• Perl::Critic::Policy::InputOutput::ProhibitExplicitStdin(3pm)Use "<>" or "<ARGV>" or a prompting module instead of "<STDIN>".✨
• Perl::Critic::Policy::InputOutput::ProhibitInteractiveTest(3pm)Use prompt() instead of -t.✨
• Perl::Critic::Policy::InputOutput::ProhibitJoinedReadline(3pm)Use "local $/ = undef" or Path::Tiny instead of joined readline.✨
• Perl::Critic::Policy::InputOutput::ProhibitOneArgSelect(3pm)Never write "select($fh)".✨
• Perl::Critic::Policy::InputOutput::ProhibitReadlineInForLoop(3pm)Write "while( $line = <> ){...}" instead of "for(<>){...}".✨
• Perl::Critic::Policy::InputOutput::ProhibitTwoArgOpen(3pm)Write "open $fh, q{<}, $filename;" instead of "open $fh, "<$filename";".✨
• Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint(3pm)Write "print {$FH} $foo, $bar;" instead of "print $FH $foo, $bar;".✨
• Perl::Critic::Policy::InputOutput::RequireBriefOpen(3pm)Close filehandles as soon as possible after opening them.✨
• Perl::Critic::Policy::InputOutput::RequireCheckedClose(3pm)Write "my $error = close $fh;" instead of "close $fh;".✨
• Perl::Critic::Policy::InputOutput::RequireCheckedOpen(3pm)Write "my $error = open $fh, $mode, $filename;" instead of "open $fh, $mode, $filename;".✨
• Perl::Critic::Policy::InputOutput::RequireCheckedSyscalls(3pm)Return value of flagged function ignored.✨
• Perl::Critic::Policy::InputOutput::RequireEncodingWithUTF8Layer(3pm)Write "open $fh, q{<:encoding(UTF-8)}, $filename;" instead of "open $fh, q{<:utf8}, $filename;".✨
• Perl::Critic::Policy::Lax::ProhibitComplexMappings::LinesNotStatements(3pm)prohibit multiline maps, not multistatement maps✨
• Perl::Critic::Policy::Lax::ProhibitEmptyQuotes::ExceptAsFallback(3pm)empty quotes are okay as the fallback on the rhs of ||✨
• Perl::Critic::Policy::Lax::ProhibitLeadingZeros::ExceptChmod(3pm)leading zeroes are okay as the first arg to chmod✨
• Perl::Critic::Policy::Lax::ProhibitStringyEval::ExceptForRequire(3pm)stringy eval is bad, but it's okay just to "require"✨
• Perl::Critic::Policy::Lax::RequireConstantOnLeftSideOfEquality::ExceptEq(3pm)constant value on the right side is ok with 'eq'✨
• Perl::Critic::Policy::Lax::RequireEndWithTrueConst(3pm)ending your package with a simple, fun true value is okay✨
• Perl::Critic::Policy::Lax::RequireExplicitPackage::ExceptForPragmata(3pm)you can put strict and warnings before "package"✨
• Perl::Critic::Policy::Miscellanea::ProhibitFormats(3pm)Do not use "format".✨
• Perl::Critic::Policy::Miscellanea::ProhibitTies(3pm)Do not use "tie".✨
• Perl::Critic::Policy::Miscellanea::ProhibitUnrestrictedNoCritic(3pm)Forbid a bare "## no critic"✨
• Perl::Critic::Policy::Miscellanea::ProhibitUselessNoCritic(3pm)Remove ineffective "## no critic" annotations.✨
• Perl::Critic::Policy::Miscellanea::RequireRcsKeywords(3pm)Put source-control keywords in every file.✨
• Perl::Critic::Policy::Miscellanea::TextDomainPlaceholders(3pm)check placeholder names in Locale::TextDomain calls✨
• Perl::Critic::Policy::Miscellanea::TextDomainUnused(3pm)check for Locale::TextDomain imported but unused✨
• Perl::Critic::Policy::Modules::PerlMinimumVersion(3pm)Enforce backward compatible code.✨
• Perl::Critic::Policy::Modules::ProhibitAutomaticExportation(3pm)Export symbols via "@EXPORT_OK" or "%EXPORT_TAGS" instead of "@EXPORT".✨
• Perl::Critic::Policy::Modules::ProhibitConditionalUseStatements(3pm)Avoid putting conditional logic around compile-time includes.✨
• Perl::Critic::Policy::Modules::ProhibitEvilModules(3pm)Ban modules that aren't blessed by your shop.✨
• Perl::Critic::Policy::Modules::ProhibitExcessMainComplexity(3pm)Minimize complexity in code that is outside of subroutines.✨
• Perl::Critic::Policy::Modules::ProhibitModuleShebang(3pm)don't put a #! line at the start of a module file✨
• Perl::Critic::Policy::Modules::ProhibitMultiplePackages(3pm)Put packages (especially subclasses) in separate files.✨
• Perl::Critic::Policy::Modules::ProhibitPOSIXimport(3pm)don't import the whole of POSIX into a module✨
• Perl::Critic::Policy::Modules::ProhibitUseQuotedVersion(3pm)avoid quoted version number string in a "use" statement✨
• Perl::Critic::Policy::Modules::RequireBarewordIncludes(3pm)Write "require Module" instead of "require 'Module.pm'".✨
• Perl::Critic::Policy::Modules::RequireEndWithOne(3pm)End each module with an explicitly "1;" instead of some funky expression.✨
• Perl::Critic::Policy::Modules::RequireExplicitInclusion(3pm)✨
• Perl::Critic::Policy::Modules::RequireExplicitPackage(3pm)Always make the "package" explicit.✨
• Perl::Critic::Policy::Modules::RequireFilenameMatchesPackage(3pm)Package declaration must match filename.✨
• Perl::Critic::Policy::Modules::RequireNoMatchVarsWithUseEnglish(3pm)"use English" must be passed a "-no_match_vars" argument.✨
• Perl::Critic::Policy::Modules::RequirePerlVersion(3pm)Require a "use 5.006;" or similar.✨
• Perl::Critic::Policy::Modules::RequireVersionVar(3pm)Give every module a "$VERSION" number.✨
• Perl::Critic::Policy::Moose::ProhibitDESTROYMethod(3pm)Use DEMOLISH instead of DESTROY✨
• Perl::Critic::Policy::Moose::ProhibitLazyBuild(3pm)Avoid lazy_build✨
• Perl::Critic::Policy::Moose::ProhibitMultipleWiths(3pm)Require role composition✨
• Perl::Critic::Policy::Moose::ProhibitNewMethod(3pm)Don't override Moose's standard constructors.✨
• Perl::Critic::Policy::Moose::RequireCleanNamespace(3pm)Require removing implementation details from you packages.✨
• Perl::Critic::Policy::Moose::RequireMakeImmutable(3pm)Ensure that you've made your Moose code fast✨
• Perl::Critic::Policy::NamingConventions::Capitalization(3pm)Distinguish different program components by case.✨
• Perl::Critic::Policy::NamingConventions::ProhibitAmbiguousNames(3pm)Don't use vague variable or subroutine names like 'last' or 'record'.✨
• Perl::Critic::Policy::NamingConventions::ProhibitMixedCaseSubs(3pm)Write "sub my_function{}" instead of "sub MyFunction{}".✨
• Perl::Critic::Policy::NamingConventions::ProhibitMixedCaseVars(3pm)Write "$my_variable = 42" instead of "$MyVariable = 42".✨
• Perl::Critic::Policy::Objects::ProhibitIndirectSyntax(3pm)Prohibit indirect object call syntax.✨
• Perl::Critic::Policy::Plicease::ProhibitArrayAssignAref(3pm)Don't assign an anonymous arrayref to an array✨
• Perl::Critic::Policy::References::ProhibitDoubleSigils(3pm)Write "@{ $array_ref }" instead of "@$array_ref".✨
• Perl::Critic::Policy::RegularExpressions::ProhibitCaptureWithoutTest(3pm)Capture variable used outside conditional.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitComplexRegexes(3pm)Split long regexps into smaller "qr//" chunks.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitEnumeratedClasses(3pm)Use named character classes instead of explicit character lists.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitEscapedMetacharacters(3pm)Use character classes for literal meta-characters instead of escapes.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitFixedStringMatches(3pm)Use "eq" or hash instead of fixed-pattern regexps.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitSingleCharAlternation(3pm)Use "[abc]" instead of "a|b|c".✨
• Perl::Critic::Policy::RegularExpressions::ProhibitUnusedCapture(3pm)Only use a capturing group if you plan to use the captured value.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitUnusualDelimiters(3pm)Use only "//" or "{}" to delimit regexps.✨
• Perl::Critic::Policy::RegularExpressions::ProhibitUselessTopic(3pm)Don't use $_ to match against regexes.✨
• Perl::Critic::Policy::RegularExpressions::RequireBracesForMultiline(3pm)Use "{" and "}" to delimit multi-line regexps.✨
• Perl::Critic::Policy::RegularExpressions::RequireDotMatchAnything(3pm)Always use the "/s" modifier with regular expressions.✨
• Perl::Critic::Policy::RegularExpressions::RequireExtendedFormatting(3pm)Always use the "/x" modifier with regular expressions.✨
• Perl::Critic::Policy::RegularExpressions::RequireLineBoundaryMatching(3pm)Always use the "/m" modifier with regular expressions.✨
• Perl::Critic::Policy::Storable::ProhibitStoreOrFreeze(3pm)do not use store or freeze in Storable.pm✨
• Perl::Critic::Policy::Subroutines::ProhibitAmpersandSigils(3pm)Don't call functions with a leading ampersand sigil.✨
• Perl::Critic::Policy::Subroutines::ProhibitBuiltinHomonyms(3pm)Don't declare your own "open" function.✨
• Perl::Critic::Policy::Subroutines::ProhibitCallsToUndeclaredSubs(3pm)✨
• Perl::Critic::Policy::Subroutines::ProhibitCallsToUnexportedSubs(3pm)✨
• Perl::Critic::Policy::Subroutines::ProhibitExcessComplexity(3pm)Minimize complexity by factoring code into smaller subroutines.✨
• Perl::Critic::Policy::Subroutines::ProhibitExplicitReturnUndef(3pm)Return failure with bare "return" instead of "return undef".✨
• Perl::Critic::Policy::Subroutines::ProhibitExportingUndeclaredSubs(3pm)✨
• Perl::Critic::Policy::Subroutines::ProhibitManyArgs(3pm)Too many arguments.✨
• Perl::Critic::Policy::Subroutines::ProhibitNestedSubs(3pm)"sub never { sub correct {} }".✨
• Perl::Critic::Policy::Subroutines::ProhibitQualifiedSubDeclarations(3pm)✨
• Perl::Critic::Policy::Subroutines::ProhibitReturnSort(3pm)Behavior of "sort" is not defined if called in scalar context.✨
• Perl::Critic::Policy::Subroutines::ProhibitSubroutinePrototypes(3pm)Don't write "sub my_function (@@) {}".✨
• Perl::Critic::Policy::Subroutines::ProhibitUnusedPrivateSubroutines(3pm)Prevent unused private subroutines.✨
• Perl::Critic::Policy::Subroutines::ProtectPrivateSubs(3pm)Prevent access to private subs in other packages.✨
• Perl::Critic::Policy::Subroutines::RequireArgUnpacking(3pm)Always unpack "@_" first.✨
• Perl::Critic::Policy::Subroutines::RequireFinalReturn(3pm)End every path through a subroutine with an explicit "return" statement.✨
• Perl::Critic::Policy::TestingAndDebugging::ProhibitNoStrict(3pm)Prohibit various flavors of "no strict".✨
• Perl::Critic::Policy::TestingAndDebugging::ProhibitNoWarnings(3pm)Prohibit various flavors of "no warnings".✨
• Perl::Critic::Policy::TestingAndDebugging::ProhibitProlongedStrictureOverride(3pm)Don't turn off strict for large blocks of code.✨
• Perl::Critic::Policy::TestingAndDebugging::RequireTestLabels(3pm)Tests should all have labels.✨
• Perl::Critic::Policy::TestingAndDebugging::RequireUseStrict(3pm)Always "use strict".✨
• Perl::Critic::Policy::TestingAndDebugging::RequireUseWarnings(3pm)Always "use warnings".✨
• Perl::Critic::Policy::Tics::ProhibitLongLines(3pm)80 x 40 for life!✨
• Perl::Critic::Policy::Tics::ProhibitManyArrows(3pm)(this => is => not => good)✨
• Perl::Critic::Policy::Tics::ProhibitUseBase(3pm)do not use base.pm✨
• Perl::Critic::Policy::TooMuchCode::ProhibitDuplicateLiteral(3pm)Don't repeat yourself with identical literals✨
• Perl::Critic::Policy::TooMuchCode::ProhibitDuplicateSub(3pm)When 2 subroutines are defined with the same name, report the first one.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitExcessiveColons(3pm)Finds '::::::::' in module names.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitExtraStricture(3pm)Find unnecessary 'use strict'✨
• Perl::Critic::Policy::TooMuchCode::ProhibitLargeBlock(3pm)Find oversized blocks✨
• Perl::Critic::Policy::TooMuchCode::ProhibitLargeTryBlock(3pm)Find oversized `try..catch` block.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitUnnecessaryScalarKeyword(3pm)Finds `scalar` in scalar context.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitUnnecessaryUTF8Pragma(3pm)Find 'use utf8' statement that produces (almost) no effect.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitUnusedConstant(3pm)Find unused constants.✨
• Perl::Critic::Policy::TooMuchCode::ProhibitUnusedImport(3pm)Find unused imports✨
• Perl::Critic::Policy::TooMuchCode::ProhibitUnusedInclude(3pm)Find unused include statements.✨
• Perl::Critic::Policy::ValuesAndExpressions::ConstantBeforeLt(3pm)disallow bareword before <✨
• Perl::Critic::Policy::ValuesAndExpressions::NotWithCompare(3pm)logical not used with compare✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitAccessOfPrivateData(3pm)✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitArrayAssignAref(3pm)don't assign an anonymous arrayref to an array✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitBarewordDoubleColon(3pm)don't use Foo:: style barewords✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitCommaSeparatedStatements(3pm)Don't use the comma operator as a statement separator.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitComplexVersion(3pm)Prohibit version values from outside the module.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitConstantPragma(3pm)Don't "use constant FOO => 15".✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitDuplicateHashKeys(3pm)disallow duplicate literal hash keys✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitEmptyCommas(3pm)disallow empty consecutive commas✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitEmptyQuotes(3pm)Write "q{}" instead of "''".✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitEscapedCharacters(3pm)Write ""\N{DELETE}"" instead of ""\x7F"", etc.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitFiletest_f(3pm)don't use the -f file test✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitImplicitNewlines(3pm)Use concatenation or HEREDOCs instead of literal line breaks in strings.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitInterpolationOfLiterals(3pm)Always use single quotes for literal strings.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitLeadingZeros(3pm)Write "oct(755)" instead of "0755".✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitLongChainsOfMethodCalls(3pm)Long chains of method calls indicate tightly coupled code.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitMagicNumbers(3pm)Don't use values that don't explain themselves.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitMismatchedOperators(3pm)Don't mix numeric operators with string operands, or vice-versa.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitMixedBooleanOperators(3pm)Write " !$foo && $bar || $baz " instead of " not $foo && $bar or $baz".✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitNoisyQuotes(3pm)Use "q{}" or "qq{}" instead of quotes for awkward-looking strings.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitNullStatements(3pm)disallow empty statements (stray semicolons)✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitQuotesAsQuotelikeOperatorDelimiters(3pm)Don't use quotes ("'", """, "`") as delimiters for the quote-like operators.✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitSpecialLiteralHeredocTerminator(3pm)Don't write " print <<'__END__' ".✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitUnknownBackslash(3pm)don't use undefined backslash forms✨
• Perl::Critic::Policy::ValuesAndExpressions::ProhibitVersionStrings(3pm)Don't use strings like "v1.4" or "1.4.5" when including other modules.✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireConstantOnLeftSideOfEquality(3pm)Putting the constant value on the left side of an equality exposes typos.✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireConstantVersion(3pm)Require $VERSION to be a constant rather than a computed value.✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireInterpolationOfMetachars(3pm)Warns that you might have used single quotes when you really wanted double-quotes.✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireNumberSeparators(3pm)Write " 141_234_397.0145 " instead of " 141234397.0145 ".✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireNumericVersion(3pm)$VERSION a plain number✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireQuotedHeredocTerminator(3pm)Write " print <<'THE_END' " or " print <<"THE_END" ".✨
• Perl::Critic::Policy::ValuesAndExpressions::RequireUpperCaseHeredocTerminator(3pm)Write " <<'THE_END'; " instead of " <<'theEnd'; ".✨
• Perl::Critic::Policy::ValuesAndExpressions::RestrictLongStrings(3pm)Stop mixing long strings with code.✨
• Perl::Critic::Policy::ValuesAndExpressions::UnexpandedSpecialLiteral(3pm)specials like __PACKAGE__ used literally✨
• Perl::Critic::Policy::Variables::ProhibitAugmentedAssignmentInDeclaration(3pm)Do not write " my $foo .= 'bar'; ".✨
• Perl::Critic::Policy::Variables::ProhibitConditionalDeclarations(3pm)Do not write " my $foo = $bar if $baz; ".✨
• Perl::Critic::Policy::Variables::ProhibitEvilVariables(3pm)Ban variables that aren't blessed by your shop.✨
• Perl::Critic::Policy::Variables::ProhibitLocalVars(3pm)Use "my" instead of "local", except when you have to.✨
• Perl::Critic::Policy::Variables::ProhibitLoopOnHash(3pm)Don't write loops on hashes, only on keys and values of hashes✨
• Perl::Critic::Policy::Variables::ProhibitMatchVars(3pm)Avoid "$`", "$&", "$'" and their English equivalents.✨
• Perl::Critic::Policy::Variables::ProhibitPackageVars(3pm)Eliminate globals declared with "our" or "use vars".✨
• Perl::Critic::Policy::Variables::ProhibitPerl4PackageNames(3pm)Use double colon (::) to separate package name components instead of single quotes (').✨
• Perl::Critic::Policy::Variables::ProhibitPunctuationVars(3pm)Write "$EVAL_ERROR" instead of "$@".✨
• Perl::Critic::Policy::Variables::ProhibitReusedNames(3pm)Do not reuse a variable name in a lexical scope✨
• Perl::Critic::Policy::Variables::ProhibitUnusedVariables(3pm)Don't ask for storage you don't need.✨
• Perl::Critic::Policy::Variables::ProhibitUselessInitialization(3pm)prohibit superfluous initializations✨