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Alex Rivera
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I'm trying to implement simple parser in haskell using parsec library (for learning purposes). So I wrote bunch of data structutes and related functions like this: data SourceElement = StatementSourceElement Statement | FunctionSourceElement FunctionName FunctionBody data Statement = IfStatement Expr Statement Statement | WhileStatement Expr Statement data FunctionBody = FunctionBody [SourceElement] parseSourceElement :: Parser SourceElement parseSourceElement = ... parseFunctionBody :: Parser FunctionBody parseFunctionBody = ... It works fine. Now I want to split this stuff into two modules to separate FunctionBody and Statement data structures (because of readability issues). But I can't! The reason is cyclic dependency between SourceElement and FunctionBody . So, is there any way to solve this problem ?
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