J's type system is fixed and functions don't have signatures, so the
language doesn't support pattern matching in the function dispatch /
algebraic datatype sense.
If you mean regular expressions, J embeds PCRE ("Perl Compatible Regular
Expressions").
-Dan
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Pascal Jasmin
Sent: Thursday, September 12, 2013 3:36 PM
To: [email protected]
Subject: [Jprogramming] An essay on boxed vs unboxed table performance
An essay on boxed vs unboxed table data.
http://www.jsoftware.com/jwiki/PascalJasmin/Boxed%20vs%20unboxed%20data .
The results might surprise most of you since there's been signficant
performance tuning in J (around boxing) since its earlier days, and jmf and
3!:1 supports boxed data too now.
Let me know if I've made mistakes, or overlooked something big.
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