Autrijus Tang skribis 2005-04-27 17:04 (+0800): > I can certainly see a `is pure` trait on Perl 6 function that declares > them to be safe from side effects. In a sense, `is const` also does that.
`is pure` would be great to have! For possible auto-memoization of likely-to-be-slow subs it can be useful, but it also makes great documentation. Juerd -- http://convolution.nl/maak_juerd_blij.html http://convolution.nl/make_juerd_happy.html http://convolution.nl/gajigu_juerd_n.html
