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Склонение числительных в golang с дженериками
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type Number interface { | |
int | int8 | int16 | int32 | int64 | float32 | float64 | |
} | |
// Declination - склонение слов. | |
// Пример: Declination(10, []string{"отзыв", "отзыва", "отзывов"}) | |
// Слова пишутся для чисел 1, 2, 5 (1 отзыв, 2 отзыва, 5 отзывов) | |
func Declination[T Number](untypedInt T, titles []string) string { | |
if untypedInt < 0 { | |
untypedInt *= -1 | |
} | |
number := uint(untypedInt) | |
cases := []int{2, 0, 1, 1, 1, 2} | |
var currentCase int | |
if number%100 > 4 && number%100 < 20 { | |
currentCase = 2 | |
} else if number%10 < 5 { | |
currentCase = cases[number%10] | |
} else { | |
currentCase = cases[5] | |
} | |
return titles[currentCase] | |
} |
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https://go.dev/play/p/SqX5swU-R1q
Для простоты дробная часть просто отбрасывается и склонение идет по целому