awly · October 19, 2015 17:43
diff --git a/fmtfoo.go b/fmtfoo.go
 // src/fmt/foo.go
 package fmt

 import "internal/foo"

 var _ = foo.Foo{}
diff --git a/foo.go b/foo.go
 // src/internal/foo/foo.go
 package foo

 type Foo struct{}
diff --git a/output b/output
 $ go build -v -a fmt
 runtime
 internal/foo
 errors
 sync/atomic
 math
 unicode/utf8
 sync
 io
 syscall
 strconv
 time
 reflect
 os
 fmt
 $ echo $?
 0