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is_empty.go
34 lines (32 loc) · 853 Bytes
/
is_empty.go
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/**
User: cr-mao
Date: 2023/8/17 14:46
Email: crmao@qq.com
Desc: is_empty.go
*/
package sugar
import "reflect"
// Empty 类似于 PHP 的 empty() 函数
func Empty(val interface{}) bool {
if val == nil {
return true
}
v := reflect.ValueOf(val)
switch v.Kind() {
case reflect.String, reflect.Array:
return v.Len() == 0
case reflect.Map, reflect.Slice:
return v.Len() == 0 || v.IsNil()
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Interface, reflect.Ptr:
return v.IsNil()
}
return reflect.DeepEqual(val, reflect.Zero(v.Type()).Interface())
}