github.com/gogf/gf/v2@v2.7.4/internal/utils/utils_reflect.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/gogf/gf.
     6  
     7  package utils
     8  
     9  import (
    10  	"reflect"
    11  )
    12  
    13  // CanCallIsNil Can reflect.Value call reflect.Value.IsNil.
    14  // It can avoid reflect.Value.IsNil panics.
    15  func CanCallIsNil(v interface{}) bool {
    16  	rv, ok := v.(reflect.Value)
    17  	if !ok {
    18  		return false
    19  	}
    20  	switch rv.Kind() {
    21  	case reflect.Interface, reflect.Chan, reflect.Func, reflect.Map, reflect.Ptr, reflect.Slice, reflect.UnsafePointer:
    22  		return true
    23  	default:
    24  		return false
    25  	}
    26  }