in reply to Re^6: Which internal DSL are there in Perl? (Domain Specific Languages - Part 1)
in thread Which internal DSL are there in Perl? (Domain Specific Languages - Part 1)

why not 
          for ( $foo, $bar, $baz->() ) { # less characters, safe mecha
+nism

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Yes of course, but for the sake of TIMTOWTDI, transparent calls of functions/methods known in the scope which uses the DSL should be possible. And yes, the notation Page->baz() is a kludge. Need something else.

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

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Re^8: Which internal DSL are there in Perl? (Domain Specific Languages - Part 1)
by LanX (Saint) on Aug 04, 2017 at 22:24 UTC
    You asked me how to know if a result of a code block should be cached.

    PadWalker can list closed over lexicals hence indicating possible side effects.

    Parsing for imported functions is more complicated.

    Cheers Rolf
    (addicted to the Perl Programming Language and ☆☆☆☆ :)
    Je suis Charlie!

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