52 lines
805 B
Go
52 lines
805 B
Go
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package main
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import (
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"errors"
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"fmt"
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"strings"
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)
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var (
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cleanedFoo = false
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cleanedBar = false
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)
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func main() {
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_, cleanup, err := injectBaz()
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if err == nil {
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fmt.Println("<nil>")
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} else {
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fmt.Println(strings.Contains(err.Error(), "bork!"))
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}
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fmt.Println(cleanedFoo, cleanedBar, cleanup == nil)
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}
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type Foo int
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type Bar int
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type Baz int
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//goose:provide Foo
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func provideFoo() (*Foo, func()) {
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foo := new(Foo)
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*foo = 42
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return foo, func() { *foo = 0; cleanedFoo = true }
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}
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//goose:provide Bar
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func provideBar(foo *Foo) (*Bar, func(), error) {
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bar := new(Bar)
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*bar = 77
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return bar, func() {
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if *foo == 0 {
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panic("foo cleaned up before bar")
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}
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*bar = 0
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cleanedBar = true
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}, nil
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}
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//goose:provide Baz
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func provideBaz(bar *Bar) (Baz, error) {
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return 0, errors.New("bork!")
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}
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