23 lines
586 B
Text
23 lines
586 B
Text
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local function get_day_no(day)
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-- Throws an error if day is invalid.
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return switch day:lower() do
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case "monday" -> 1
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case "tuesday" -> 2
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case "wednesday" -> 3
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case "thursday" -> 4
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case "friday" -> 5
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case "saturday" -> 6
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case "sunday" -> 7
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default -> error($"'{day}' is not a valid day in English.")
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end
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end
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for {"thursday", "jeudi"} as day do
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local ok, res = pcall(get_day_no, day)
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if ok then
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print($"'{day}' is day number {res}")
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else
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print(res)
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end
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end
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