20 lines
400 B
Go
20 lines
400 B
Go
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package main
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// usually: include the time method in the list.go
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// it is here for clarity
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// TODO: NEW
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// you could include a time method in the book and game instead.
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// but sometimes it is not possible to do so.
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func (l list) time() (total int) {
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for _, it := range l {
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switch it := it.(type) {
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case *game:
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total += it.playTime
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case book:
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total += it.readTime
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}
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}
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return total
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}
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