ceph/src/arrow/go/arrow/internal/debug/util.go

   1 // Licensed to the Apache Software Foundation (ASF) under one
   2 // or more contributor license agreements.  See the NOTICE file
   3 // distributed with this work for additional information
   4 // regarding copyright ownership.  The ASF licenses this file
   5 // to you under the Apache License, Version 2.0 (the
   6 // "License"); you may not use this file except in compliance
   7 // with the License.  You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 // +build debug assert
  18
  19 package debug
  20
  21 import "fmt"
  22
  23 func getStringValue(v interface{}) string {
  24         switch a := v.(type) {
  25         case func() string:
  26                 return a()
  27
  28         case string:
  29                 return a
  30
  31         case fmt.Stringer:
  32                 return a.String()
  33
  34         default:
  35                 panic(fmt.Sprintf("unexpected type, %t", v))
  36         }
  37 }