github.com/switchupcb/yaegi@v0.10.2/_test/composite3.go (about)

     1  package main
     2  
     3  func main() {
     4  	var err error
     5  	var ok bool
     6  
     7  	_, ok = err.(interface{ IsSet() bool })
     8  	println(ok)
     9  }
    10  
    11  // Output:
    12  // false