go/analysis/passes/loopclosure/testdata/src/golang.org/x/sync/errgroup/errgroup.go

// Package errgroup synthesizes Go's package "golang.org/x/sync/errgroup",
// which is used in unit-testing.
package errgroup

type Group struct {
}

func (g *Group) Go(f func() error) {
	go func() {
		f()
	}()
}