github.com/traefik/yaegi@v0.15.1/_test/issue-1326.go (about)

     1  package main
     2  
     3  type Option interface {
     4  	apply(*T)
     5  }
     6  
     7  type T struct {
     8  	s string
     9  }
    10  
    11  type opt struct {
    12  	name string
    13  }
    14  
    15  func (o *opt) apply(t *T) {
    16  	println(o.name)
    17  }
    18  
    19  func BuildOptions() []Option {
    20  	return []Option{
    21  		&opt{"opt1"},
    22  		&opt{"opt2"},
    23  	}
    24  }
    25  
    26  func NewT(name string, options ...Option) *T {
    27  	t := &T{name}
    28  	for _, opt := range options {
    29  		opt.apply(t)
    30  	}
    31  	return t
    32  }
    33  
    34  func main() {
    35  	t := NewT("hello", BuildOptions()...)
    36  	println(t.s)
    37  }
    38  
    39  // Output:
    40  // opt1
    41  // opt2
    42  // hello