github.com/switchupcb/yaegi@v0.10.2/_test/method33.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  )
     6  
     7  type T1 struct{}
     8  
     9  func (t1 T1) f() {
    10  	fmt.Println("T1.f()")
    11  }
    12  
    13  func (t1 T1) g() {
    14  	fmt.Println("T1.g()")
    15  }
    16  
    17  type T2 struct {
    18  	T1
    19  }
    20  
    21  func (t2 T2) f() {
    22  	fmt.Println("T2.f()")
    23  }
    24  
    25  type I interface {
    26  	f()
    27  }
    28  
    29  func printType(i I) {
    30  	if t1, ok := i.(T1); ok {
    31  		println("T1 ok")
    32  		t1.f()
    33  		t1.g()
    34  	}
    35  
    36  	if t2, ok := i.(T2); ok {
    37  		println("T2 ok")
    38  		t2.f()
    39  		t2.g()
    40  	}
    41  }
    42  
    43  func main() {
    44  	println("T1")
    45  	printType(T1{})
    46  	println("T2")
    47  	printType(T2{})
    48  }
    49  
    50  // Output:
    51  // T1
    52  // T1 ok
    53  // T1.f()
    54  // T1.g()
    55  // T2
    56  // T2 ok
    57  // T2.f()
    58  // T1.g()