pkg/core/cmd/helpers.go (12 lines of code) (raw):

/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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 cmd import ( "fmt" "strings" ) func UsageOptions(desc string, options ...interface{}) string { values := make([]string, 0, len(options)) for _, option := range options { values = append(values, fmt.Sprintf("%v", option)) } return fmt.Sprintf("%s: one of %s", desc, strings.Join(values, "|")) }