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Refactor go/twelve-days

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dwrz
2019-07-11 12:34:33 +00:00
parent bfe7491f4c
commit 539fc995fd
1 changed files with 7 additions and 0 deletions
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go/twelve-days/twelve-days.go
+7
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@@ -56,7 +56,12 @@ func giftsForDay(day int) string {
} }
} }
// Verse returns the matching verse for the inputted day.
// Day must be an integer between 1 and 12.
func Verse(day int) string { func Verse(day int) string {
if day < 0 || day > 12 {
return ""
}
return fmt.Sprintf( return fmt.Sprintf(
"On the %s day of Christmas my true love gave to me: %s.", "On the %s day of Christmas my true love gave to me: %s.",
ordinals[day], ordinals[day],
@@ -64,6 +69,8 @@ func Verse(day int) string {
) )
} }
// Song returns the text of the song "Twelve Days of Christmas".
// Its verses are separated by newlines.
func Song() (song string) { func Song() (song string) {
for day := 1; day <= 12; day++ { for day := 1; day <= 12; day++ {
song += fmt.Sprintf("%s\n", Verse(day)) song += fmt.Sprintf("%s\n", Verse(day))