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pattern matching and destructuring??..super noob question #6

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cocodrino opened this Issue Nov 1, 2014 · 1 comment

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@cocodrino

cocodrino commented Nov 1, 2014

Hi Eliah, maybe this is a stupid question but I'm just learning about parsers and lexers now, something cool about the scala parser is than I can build a structure of scala objects which I can traverse in a simple way using pattern matching...

for instance the terms in this blog http://www.dontbreakthebuild.com/2013/07/30/basic-parsing-in-scala-using-parsing-combinators/
I can match over Integer(a), Multiplication(a,b)...etc...

I was thinking than would be a solution iterate 2 times, the first one traverse the nodes and build a tree of scala objects and then work with this...but I'm not sure if it's a good approach or there is a better solution

thanks

@Eliah-Lakhin

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Eliah-Lakhin Dec 7, 2014

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@cocodrino Hi! That's nice you are using Papa Carlo for learning purposes. I believe it was a good choice to play with various things related to this topic. But what was your question about, actually?

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Eliah-Lakhin commented Dec 7, 2014

@cocodrino Hi! That's nice you are using Papa Carlo for learning purposes. I believe it was a good choice to play with various things related to this topic. But what was your question about, actually?

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