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33package main
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"golang.org/x/tools/go/packages"
)
func setupPackages(t *testing.T, code string) (string, []*packages.Package) {
tmpdir, err := ioutil.TempDir("", "go-test-sumtype-")
if err != nil {
t.Fatal(err)
}
srcPath := filepath.Join(tmpdir, "src.go")
if err := ioutil.WriteFile(srcPath, []byte(code), 0666); err != nil {
t.Fatal(err)
}
pkgs, err := tycheckAll([]string{srcPath})
if err != nil {
t.Fatal(err)
}
return tmpdir, pkgs
}
func teardownPackage(t *testing.T, dir string) {
if err := os.RemoveAll(dir); err != nil {
t.Fatal(err)
}
}