A summary example without generics

Go-1.18-SummaryWithoutGeneric.go

package main

import (
	"fmt"
)

func main() {
	intvalues := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
	int64values := []int64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
	float64values := []float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0}

	fmt.Println("Total for ints:", CountTotalInts(intvalues))
	fmt.Println("Total for int64:", CountTotalInts64(int64values))
	fmt.Println("Total for floats:", CountTotalFloats(float64values))

}
// CountTotalInts64 counts the total for the slice
func CountTotalInts64(points []int64) int64 {
	var total int64
	for _, v := range points {
		total += v
	}
	return total
}

// CountTotalInts counts the total for the slice
func CountTotalInts(points []int) int {
	var total int
	for _, v := range points {
		total += v
	}
	return total
}

// CountTotalFloats counts the total for the slice
func CountTotalFloats(points []float64) float64 {
	var total float64
	for _, v := range points {
		total += v
	}
	return total
}