Update

go/twelve-days/twelve_days.go

@@ -0,0 +1,95 @@
+package twelve
+
+const testVersion = 1
+
+func Song() string {
+	var ret string
+	for i := 1; i <= 12; i++ {
+		ret += Verse(i) + "\n"
+	}
+	return ret
+}
+
+func Verse(i int) string {
+	ret := "On the " + intToOrd(i) + " day of Christmas my true love gave to me, "
+	if i >= 12 {
+		ret += "twelve Drummers Drumming, "
+	}
+	if i >= 11 {
+		ret += "eleven Pipers Piping, "
+	}
+	if i >= 10 {
+		ret += "ten Lords-a-Leaping, "
+	}
+	if i >= 9 {
+		ret += "nine Ladies Dancing, "
+	}
+	if i >= 8 {
+		ret += "eight Maids-a-Milking, "
+	}
+	if i >= 7 {
+		ret += "seven Swans-a-Swimming, "
+	}
+	if i >= 6 {
+		ret += "six Geese-a-Laying, "
+	}
+	if i >= 5 {
+		ret += "five Gold Rings, "
+	}
+	if i >= 4 {
+		ret += "four Calling Birds, "
+	}
+	if i >= 3 {
+		ret += "three French Hens, "
+	}
+	if i >= 2 {
+		ret += "two Turtle Doves, and "
+	}
+
+	return ret + "a Partridge in a Pear Tree."
+}
+
+func intToOrd(i int) string {
+	switch i {
+	case 1:
+		return "first"
+	case 2:
+		return "second"
+	case 3:
+		return "third"
+	case 4:
+		return "fourth"
+	case 5:
+		return "fifth"
+	case 6:
+		return "sixth"
+	case 7:
+		return "seventh"
+	case 8:
+		return "eighth"
+	case 9:
+		return "ninth"
+	case 10:
+		return "tenth"
+	case 11:
+		return "eleventh"
+	case 12:
+		return "twelfth"
+	}
+	return ""
+}
+
+/*
+	{1, "On the first day of Christmas my true love gave to me, a Partridge in a Pear Tree."},
+	{2, "On the second day of Christmas my true love gave to me, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{3, "On the third day of Christmas my true love gave to me, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{4, "On the fourth day of Christmas my true love gave to me, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{5, "On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{6, "On the sixth day of Christmas my true love gave to me, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{7, "On the seventh day of Christmas my true love gave to me, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{8, "On the eighth day of Christmas my true love gave to me, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{9, "On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{10, "On the tenth day of Christmas my true love gave to me, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{11, "On the eleventh day of Christmas my true love gave to me, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+	{12, "On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
+*/