go/leveldb/util.go

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2014-05-05 13:09:05 +04:00
package leveldb
import (
"github.com/siddontang/golib/hack"
"strconv"
)
func Int(v []byte, err error) (int64, error) {
if err != nil {
return 0, err
} else if v == nil {
return 0, nil
}
return strconv.ParseInt(hack.String(v), 10, 64)
}
func Uint(v []byte, err error) (uint64, error) {
if err != nil {
return 0, err
} else if v == nil {
return 0, nil
}
return strconv.ParseUint(hack.String(v), 10, 64)
}
func Float(v []byte, err error) (float64, error) {
if err != nil {
return 0, err
} else if v == nil {
return 0, nil
}
return strconv.ParseFloat(hack.String(v), 64)
}
func String(v []byte, err error) (string, error) {
if err != nil {
return "", err
} else if v == nil {
return "", nil
}
return hack.String(v), nil
}
func Slice(v []byte, err error) ([]byte, error) {
if err != nil {
return nil, err
} else if v == nil {
return []byte{}, nil
}
return v, nil
}