github.com/l3x/learn-fp-go@v0.0.0-20171228022418-7639825d0b71/4-purely-functional/ch09-functor-monoid/08_compose_fog/src/compose/compose.go (about)

     1  package compose
     2  
     3  func Humanize(b bool) string {
     4  	if b { return "yes" } else { return "no" }
     5  }
     6  
     7  func Emphasize(s string) string {
     8  	return s + "!!"
     9  }
    10  
    11  func EmphasizeHumanize(b bool) string {
    12  	return Emphasize(Humanize(b))
    13  }
    14  
    15  type Fbs func(bool) string
    16  type Fss func(string) string
    17  
    18  
    19  func Compose(g Fbs, f Fss) Fbs {
    20  	return func(x bool) string {
    21  		return f(g(x))
    22  	}
    23  }
    24  
    25  var EmphasizeHumanizeFoG = Compose(Emphasize, Humanize)
    26