helper

func In32 ¶

func In32(a []int32, i int32) bool

In32 检查数字是否在, a数组中

func In64 ¶

func In64(a []int64, i int64) bool

func Int32ToInt64 ¶

func Int32ToInt64(a []int32) []int64

func MaxInt32 ¶

func MaxInt32(i, j int32) int32

func PainErr ¶

func PainErr(err error)

func PainErrExit ¶

func PainErrExit(err error)

func RecoverStack ¶

func RecoverStack(extras ...interface{})

RecoverStack 产生panic时的调用栈打印

func RecoverStackPanic ¶

func RecoverStackPanic(extras ...interface{})

func Round ¶

func Round(f float64, prec int) float64

四舍五入