let buildClass moduleBuilder assemblyBuilder name methods =
    let meta = { currentEnv = Env.empty
                 methodInfoMap = Map.empty}
    let newClass = createClass moduleBuilder name
    let rec buildMethods meta methods =
        match methods with
        | Method (name, args, _)::rest       ->  buildMethods (defineMethod newClass meta name args) rest
        | EntryMethod (name, args, _)::rest  ->  buildMethods (defineMainMethod assemblyBuilder newClass meta name args) rest
    let rec populateMethods meta methods =
        match methods with
        | Method (name, args, intrs)::rest      -> populateMethod meta name args intrs
                                                   populateMethods meta rest
        | EntryMethod (name, args, intrs)::rest -> populateMethod meta name args intrs
                                                   populateMethods meta rest
    let (updatedMeta : Meta) = buildMethods meta methods
    populateMethods meta methods
    newClass.CreateType()