Dylan is an object-oriented, dynamic, infix, garbage-collected programming language with support for multiple inheritence, multiple dispatch (an advanced form of polymorphism), typed and untyped variables, closures and exceptions. Dylan also supports pattern-based hygenic macros. These allow you to define new control constructs and fully integrate them with the language. Dylan (theoretically) combines the performance of C or C++ with the rapid development of Perl and the expressiveness of LISP. It looks similar to C or Pascal, so experienced programmers can learn to write simple programs quickly. Gwydion Dylan provides two implementations of the Dylan programming language: Mindy and d2c. Mindy is bytecode compiler and interpreter, and d2c is a Dylan-to-C compiler. Mindy compiles programs quickly, but the resulting executables run slowly. On the other hand, d2c compiles programs slowly, but they run quickly. Gwydion Dylan was originally written by the Gwydion Group at CMU as part of a research project studying advanced hypercode development environments. It is now maintained by a group of volunteers.
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Binary packages can be installed with the high-level tool pkgin (which can be installed with pkg_add) or pkg_add(1) (installed by default). The NetBSD packages collection is also designed to permit easy installation from source.
The pkg_admin audit command locates any installed package which has been mentioned in security advisories as having vulnerabilities.
Please note the vulnerabilities database might not be fully accurate, and not every bug is exploitable with every configuration.
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