Added Map combinator
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@ -191,3 +191,18 @@ func Try[In, Out any](p Parser[In, Out]) Parser[In, Out] {
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return consumed, reply, err
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return consumed, reply, err
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}
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}
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}
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}
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func Map[In, Out1, Out2 any](p Parser[In, Out1], f func(Out1) Out2) Parser[In, Out2] {
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return func(input State[In]) (bool, Result[In, Out2], error) {
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consumed, reply, err := p(input)
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if err != nil {
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return consumed, Result[In, Out2]{}, err
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}
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reply2 := Result[In, Out2]{
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Value: f(reply.Value),
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State: reply.State,
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Message: reply.Message,
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}
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return consumed, reply2, nil
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}
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}
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