In that code sample the variable "matches" seems to be magically set by the =~ a... | Hacker News

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ulf on May 13, 2009 | parent | context | favorite | on: The The Nimrod Programming Language

In that code sample the variable "matches" seems to be magically set by the =~ assignment. That would not be very clean. Or am I missing something?

pshc on May 13, 2009 [–]

http://force7.de/nimrod/regexprs.html

You're correct. It seems to work using a template, which is a simple macro. I wonder if those are hygienic... In any case, it seems you could use the macro facility to instead have explicit bindings for match groups.

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