github.com/megatontech/mynoteforgo@v0.0.0-20200507084910-5d0c6ea6e890/源码/cmd/go/testdata/src/vetcycle/p.go (about)

     1  package p
     2  
     3  type (
     4  	_  interface{ m(B1) }
     5  	A1 interface{ a(D1) }
     6  	B1 interface{ A1 }
     7  	C1 interface {
     8  		B1 /* ERROR issue #18395 */
     9  	}
    10  	D1 interface{ C1 }
    11  )
    12  
    13  var _ A1 = C1 /* ERROR cannot use C1 */ (nil)