Go-1.18-GenericLearnV1.go

package main

import (
	"fmt"
)

func main(){
	var a int = 20
	var b int = 10
  // the compiler will infere the type used
	result := Subtract(a, b)

	fmt.Println("Result: ", result)
}

// We define the Type parameter V, which is a int, int32 or float32
// We also say that function parameter a and b has the data type of V
// We then make the function return V
func Subtract[V int | int32 | float32 ](a, b V) V {
	return a - b
}