// Copyright 2018, OpenCensus Authors // // Licensed 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 internal // import "go.opencensus.io/stats/internal" const ( MaxNameLength = 255 ) func IsPrintable(str string) bool { for _, r := range str { if !(r >= ' ' && r <= '~') { return false } } return true }