Map, Reduce, Filter with Go Generics

functional.go

package functional


func Map[TValue any](values []TValue, f func(TValue) TValue) {
	for i, value := range values {
		values[i] = f(value)
	}
}

func Reduce[TValue, TResult any](values []TValue, f func(TValue, TResult) TResult) TResult {
	var result TResult
	for _, value := range values {
		result = f(value, result)
	}
	return result
}

func Filter[TValue any](values []TValue, f func(TValue) bool) []TValue {
	filtered_values := make([]TValue, 0)
	for _, value := range values {
		if f(value) {
			filtered_values = append(filtered_values, value)
		}
	}
	return filtered_values
}