github.com/gnolang/gno@v0.0.0-20240520182011-228e9d0192ce/gnovm/tests/files/type39b.gno (about)

     1  package main
     2  
     3  type foo interface {
     4  	say()
     5  }
     6  
     7  func (f *foo) echo() int {
     8  	return 1
     9  }
    10  
    11  type Bar struct{}
    12  
    13  func (b *Bar) say() {}
    14  
    15  func main() {
    16  	var f *foo
    17  	*f = &Bar{}
    18  	println(f.echo())
    19  }
    20  
    21  // Error:
    22  // main/files/type39b.gno:7: invalid receiver type *main.foo (base type is interface type)