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numeric_int.go
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/
numeric_int.go
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package numerics
import (
"database/sql/driver"
"fmt"
"strconv"
)
type IntType int64
func init() {
}
//for printf %s %v %+v
func (t IntType) String() (name string) {
return fmt.Sprintf("%d", t)
}
//for printf %#v
func (t IntType) GoString() (name string) {
return t.String()
}
func (t IntType) ToInt() int {
return int(t)
}
func (t IntType) ToUint() uint {
return uint(t)
}
func (t IntType) ToInt8() int8 {
return int8(t)
}
func (t IntType) ToInt16() int16 {
return int16(t)
}
func (t IntType) ToInt32() int32 {
return int32(t)
}
func (t IntType) ToInt64() int64 {
return int64(t)
}
func (t IntType) ToUnt8() uint8 {
return uint8(t)
}
func (t IntType) ToUint16() uint16 {
return uint16(t)
}
func (t IntType) ToUint32() uint32 {
return uint32(t)
}
func (t IntType) ToUint64() uint64 {
return uint64(t)
}
func (t IntType) ToString() string {
return t.String()
}
func (t *IntType) FromInt(v int) {
*t = IntType(v)
}
func (t *IntType) FromInt8(v int8) {
*t = IntType(v)
}
func (t *IntType) FromInt16(v int16) {
*t = IntType(v)
}
func (t *IntType) FromInt32(v int32) {
*t = IntType(v)
}
func (t *IntType) FromInt64(v int64) {
*t = IntType(v)
}
func (t *IntType) FromUint(v uint) {
*t = IntType(v)
}
func (t *IntType) FromUint8(v uint8) {
*t = IntType(v)
}
func (t *IntType) FromUint16(v uint16) {
*t = IntType(v)
}
func (t *IntType) FromUint32(v uint32) {
*t = IntType(v)
}
func (t *IntType) FromUint64(v uint64) {
*t = IntType(v)
}
func (t *IntType) FromString(v string) {
i64, _ := strconv.ParseInt(v, 10, 64)
t.FromInt64(i64)
}
// Scan implements the sql.Scanner interface for database deserialization.
func (t *IntType) Scan(value interface{}) error {
switch v := value.(type) {
case int:
t.FromInt(v)
case int8:
t.FromInt8(v)
case int16:
t.FromInt16(v)
case int32:
t.FromInt32(v)
case int64:
t.FromInt64(v)
case uint:
t.FromUint(v)
case uint8:
t.FromUint8(v)
case uint16:
t.FromUint16(v)
case uint32:
t.FromUint32(v)
case uint64:
t.FromUint64(v)
case string:
t.FromString(v)
default:
return fmt.Errorf("this type not support yet")
}
return nil
}
// Value implements the driver.Valuer interface for database serialization.
func (t IntType) Value() (driver.Value, error) {
return t.String(), nil
}