| // Copyright 2017, 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 tag contains OpenCensus tags. |
| |
| Tags are key-value pairs. Tags provide additional cardinality to |
| the OpenCensus instrumentation data. |
| |
| Tags can be propagated on the wire and in the same |
| process via context.Context. Encode and Decode should be |
| used to represent tags into their binary propagation form. |
| */ |
| package tag // import "go.opencensus.io/tag" |