github.com/astaxie/beego@v1.12.3/utils/pagination/utils.go (about)

     1  // Copyright 2014 beego Author. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package pagination
    16  
    17  import (
    18  	"fmt"
    19  	"reflect"
    20  )
    21  
    22  // ToInt64 convert any numeric value to int64
    23  func toInt64(value interface{}) (d int64, err error) {
    24  	val := reflect.ValueOf(value)
    25  	switch value.(type) {
    26  	case int, int8, int16, int32, int64:
    27  		d = val.Int()
    28  	case uint, uint8, uint16, uint32, uint64:
    29  		d = int64(val.Uint())
    30  	default:
    31  		err = fmt.Errorf("ToInt64 need numeric not `%T`", value)
    32  	}
    33  	return
    34  }