100 lines
1.7 KiB
Go
100 lines
1.7 KiB
Go
package utils
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import (
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"reflect"
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"time"
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)
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func String2Pointer(value string) *string {
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return &value
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}
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func Pointer2String(ptr *string) (value string) {
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if ptr != nil {
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value = *ptr
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}
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return value
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}
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func Int2Pointer(value int) *int {
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return &value
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}
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func Pointer2Int(ptr *int) (value int) {
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if ptr != nil {
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value = *ptr
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}
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return value
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}
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func Int64ToPointer(value int64) *int64 {
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return &value
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}
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func Pointer2Int64(ptr *int64) (value int64) {
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if ptr != nil {
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value = *ptr
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}
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return value
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}
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func Float32ToPointer(value float32) *float32 {
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return &value
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}
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func Pointer2Float32(ptr *float32) (value float32) {
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if ptr != nil {
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value = *ptr
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}
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return value
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}
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func Float64ToPointer(value float64) *float64 {
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return &value
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}
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func Pointer2Float64(ptr *float64) (value float64) {
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if ptr != nil {
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value = *ptr
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}
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return value
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}
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func Time2Pointer(value time.Time) (valuePtr *time.Time) {
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if !IsTimeZero(value) {
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valuePtr = &value
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}
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return valuePtr
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}
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func Pointer2Time(ptr *time.Time) (value time.Time) {
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if ptr != nil {
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value = *ptr
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} else {
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value = DefaultTimeValue
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}
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return value
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}
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func IsNil(i interface{}) bool {
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defer func() {
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recover()
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}()
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vi := reflect.ValueOf(i)
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switch vi.Kind() {
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case reflect.String:
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return len(i.(string)) == 0
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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return i.(int) == 0
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case reflect.Float32, reflect.Float64:
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return i.(float64) == 0.0
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case reflect.Bool:
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return i.(bool)
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case reflect.Map:
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return len(i.(map[interface{}]interface{})) == 0
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case reflect.Slice:
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return len(i.([]interface{})) == 0
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}
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return vi.IsNil()
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}
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