github.com/l3x/learn-fp-go@v0.0.0-20171228022418-7639825d0b71/4-purely-functional/ch11-category-theory/03_lambda/main.go (about)

     1  package main
     2  
     3  type lambda func(int) int
     4  
     5  func add(a int) lambda {
     6  	return func(free int) int {
     7  		return func(b int) int {
     8  			return a + b
     9  		}(free)
    10  	}
    11  }
    12  
    13  func main() {
    14  	add2 := add(2)
    15  	three := add2(1)
    16  	println("Pass 1 to to add2 expression to get:", three)
    17  	four := add2(2)
    18  	println("Pass 2 to to add2 expression to get:", four)
    19  }
    20  
    21  
    22  /*
    23  	var n = 10
    24  	fmt.Println(n == func(z int) int { return n }(123))
    25  	fmt.Println(add(1)(10))
    26  
    27   */