github.com/switchupcb/yaegi@v0.10.2/_test/composite4.go (about)

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