<pre>hg id = 40632db23c46 tip Source: package main import ( "fmt" "reflect" ) type XY interface {} func main() { fmt.Println(reflect.TypeOf(XY(nil))) } Output: $ go run file.go # command-line-arguments main.main: doasm: notfound from=75 to=16 (8) LEAQ $0,SI</pre>