Introspection: Difference between revisions
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→{{header|Perl}}: 'rm -rf /' in 'eval' is not funny, and off-topic anyhow, removed
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SqrtNegInf (talk | contribs) m (→{{header|Perl}}: 'rm -rf /' in 'eval' is not funny, and off-topic anyhow, removed) |
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<lang perl>eval('abs(0)'); # eval("") instead of eval{}; the latter is not for run-time check
print "abs() doesn't seem to be available\n" if $@;</lang>
To check if a package or object provides certain method name, use 'can':
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4 integers, sum = 74717
</pre>
=={{header|Perl 6}}==
<lang perl6>use v6; # require Perl 6
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