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For about 6 years. In C, Java, Perl, Python, C++ and, sadly, VB.

I've seen a bit of "funcational" in python's type "function" and lambda expressions. But didn't really understand how I could go far with this.

I kinda don't see how I can build a large project based solely on the idea of having those constructs in the language.

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Once you have enough scars from side effects, especially if you try your hand at concurrent programming, you'll appreciate it a lot more I suspect. Although as others have noted, it's not exactly a "holy grail".

One option is to study functional programming ideas using a language you already know: http://hop.perl.plover.com/book/

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