f8e446fa17
To avoid making this CL too large, I did not migrate the existing goose comments through the repository. This will be addressed in a subsequent CL. Reviewed-by: Tuo Shan <shantuo@google.com>
33 lines
422 B
Go
33 lines
422 B
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
func main() {
|
|
bar, cleanup := injectBar()
|
|
fmt.Println(*bar)
|
|
cleanup()
|
|
fmt.Println(*bar)
|
|
}
|
|
|
|
type Foo int
|
|
type Bar int
|
|
|
|
func provideFoo() (*Foo, func()) {
|
|
foo := new(Foo)
|
|
*foo = 42
|
|
return foo, func() { *foo = 0 }
|
|
}
|
|
|
|
func provideBar(foo *Foo) (*Bar, func()) {
|
|
bar := new(Bar)
|
|
*bar = 77
|
|
return bar, func() {
|
|
if *foo == 0 {
|
|
panic("foo cleaned up before bar")
|
|
}
|
|
*bar = 0
|
|
}
|
|
}
|