blob: c3ee57049f107a47ae85001eb524d9077789ae89 [file] [log] [blame] [edit]
//+build ignore
package main
// Test of interface calls.
func use(interface{})
type A byte // instantiated but not a reflect type
func (A) f() {} // called directly
func (A) F() {} // unreachable
type B int // a reflect type
func (*B) f() {} // reachable via interface invoke
func (*B) F() {} // reachable: exported method of reflect type
type B2 int // a reflect type, and *B2 also
func (B2) f() {} // reachable via interface invoke
func (B2) g() {} // reachable: exported method of reflect type
type C string // not instantiated
func (C) f() {} // unreachable
func (C) F() {} // unreachable
type D uint // instantiated only in dead code
func (D) f() {} // unreachable
func (D) F() {} // unreachable
func main() {
A(0).f()
use(new(B))
use(B2(0))
var i interface {
f()
}
i.f() // calls (*B).f, (*B2).f and (B2.f)
live()
}
func live() {
var j interface {
f()
g()
}
j.f() // calls (B2).f and (*B2).f but not (*B).f (no g method).
}
func dead() {
use(D(0))
}
// WANT:
// Dynamic calls
// live --> (*B2).f
// live --> (B2).f
// main --> (*B).f
// main --> (*B2).f
// main --> (B2).f
// Reachable functions
// (*B).F
// (*B).f
// (*B2).f
// (A).f
// (B2).f
// live
// use
// Reflect types
// *B
// *B2
// B
// B2