in reply to Which internal DSL are there in Perl? (Domain Specific Languages - Part 1)

Another category is parts of the language that don't match the rest, such as the flags for m and other operators.

There are also small "languages" too small to mention, such as `use overload`.

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Re^2: Which internal DSL are there in Perl? (Domain Specific Languages - Part 1)
by LanX (Saint) on Aug 04, 2017 at 21:05 UTC
[reply]

      ah, you just want internal DSLs. I just added File::Find::Rule (a query language parsed as Perl), then.

[reply]

        There's also Path::Class. 

        file("foo/bar.txt")->dir->parent->dir("baz")

        [download]

        It's the internal DSL equivalent of the following XPath query: 

        file('foo/bar.txt')->find('dir()/../baz')

        [download]

        Unfortunately, Path::Class wasn't designed as DSL, so it doesn't have an equivalent of 

        dir('.')->find('*[file()]')

        [download]
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