The scratch notes are borrowed from elsewhere for further review.
package main
import "fmt"
// receive an int, return an anonymous function (which takes an int and
// returns an int)
// NOTE: the original argument is still accessible to the anonymous function
// when called later
// e.g., `fn := makeAddr(1); fmt.Println(fn(2))` results in three being printed
func makeAdder(b int) func(int) int {
return func(a int) int {
return a + b
}
}
func main() {
addOne := makeAdder(1)
addTwo := makeAdder(2)
fn := makeAdder(1)
fmt.Println(fn(2))
fmt.Println(addOne(1))
fmt.Println(addTwo(1))
}
deoren
commented
5 years ago
The scratch notes are borrowed from elsewhere for further review.