xerror

性能分析

go test -bench=. -benchmem -memprofile memprofile.out -cpuprofile profile.out ./...
go tool pprof -http=":8081" profile.out
go tool pprof -http=":8081" memprofile.out

goos: darwin
goarch: amd64
pkg: github.com/pubgo/xerror
BenchmarkPanic-8 	 1353934	 883 ns/op	 128 B/op	 2 allocs/op
BenchmarkPanicWithOutCaller-8 	 3861938	 309 ns/op	 48 B/op	 1 allocs/op
BenchmarkNoPanic-8 	201641330	 5.87 ns/op	 0 B/op	 0 allocs/op
PASS
ok github.com/pubgo/xerror 4.363s

example

package xerror_test
import (
	"fmt"
	"testing"
	"github.com/pubgo/xerror"
)
func TestErr(t *testing.T) {
	fmt.Println(xerror.Wrap(xerror.ErrAssert))
}
func TestParseWith(t *testing.T) {
	var err = fmt.Errorf("hello error")
	xerror.ParseWith(err, func(err xerror.XErr) {
		fmt.Printf("%v\n", err)
	})
}
func TestRespTest(t *testing.T) {
	defer xerror.RespTest(t)
	TestPanic1(t)
}
func TestRespNext(t *testing.T) {
	defer xerror.RespExit("TestRespNext")
	TestPanic1(t)
}
func TestPanic1(t *testing.T) {
	//defer xerror.RespExit()
	defer xerror.RespRaise(func(err xerror.XErr) error {
		return xerror.WrapF(err, "test raise")
	})
	//xerror.Panic(xerror.New("ok"))
	xerror.Panic(fmt.Errorf("ss"))
}
func init1Next() (err error) {
	defer xerror.RespErr(&err)
	xerror.Panic(fmt.Errorf("test next"))
	return nil
}
func BenchmarkNoPanic(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = func() (err error) {
			defer xerror.RespErr(&err)
			xerror.Panic(nil)
			return
		}()
	}
}