youtubebeat/vendor/github.com/elastic/beats/libbeat/common/coerce.go

57 lines
1.4 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package common
import "strconv"
// TryToInt tries to coerce the given interface to an int. On success it returns
// the int value and true.
func TryToInt(number interface{}) (int, bool) {
var rtn int
switch v := number.(type) {
case int:
rtn = int(v)
case int8:
rtn = int(v)
case int16:
rtn = int(v)
case int32:
rtn = int(v)
case int64:
rtn = int(v)
case uint:
rtn = int(v)
case uint8:
rtn = int(v)
case uint16:
rtn = int(v)
case uint32:
rtn = int(v)
case uint64:
rtn = int(v)
case string:
var err error
rtn, err = strconv.Atoi(v)
if err != nil {
return 0, false
}
default:
return 0, false
}
return rtn, true
}