41 lines
630 B
Go
41 lines
630 B
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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type notifier interface {
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notify(func(r result))
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}
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type parser interface {
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parse() error
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notifier
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}
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type iterator interface {
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each(func(result))
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}
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type analyser interface {
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analyse(result)
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iterator
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}
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type summarizer interface {
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summarize(iterator) error
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}
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func report(a analyser, p parser, s summarizer) error {
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p.notify(a.analyse)
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if err := p.parse(); err != nil {
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return err
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}
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return s.summarize(a)
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}
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