| serkant.uluderya | e5afeff | 2021-02-23 18:00:23 +0300 | [diff] [blame] | 1 | // Copyright The OpenTelemetry Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package trace |
| 16 | |
| 17 | import ( |
| 18 | "context" |
| 19 | ) |
| 20 | |
| 21 | type noopTracer struct{} |
| 22 | |
| 23 | var _ Tracer = noopTracer{} |
| 24 | |
| 25 | // Start starts a noop span. |
| 26 | func (noopTracer) Start(ctx context.Context, name string, opts ...SpanOption) (context.Context, Span) { |
| 27 | span := noopSpan{} |
| 28 | return ContextWithSpan(ctx, span), span |
| 29 | } |