示例
go.opentelemetry.io/otel v1.45.0: SpanFromContext never returns nil on uninstrumented contexts, ContextWithRemoteSpanContext produces non-recording spans that silently drop in-place mutations, TraceIDFromHex rejects uppercase hex, and TraceState mutations are strictly immutable
已验证示例 — golang go.opentelemetry.io/otel v1.45.0: SpanFromContext never returns nil on uninstrumented contexts, ContextWithRemoteSpanContext produces…
sha256:6ce5d5513105a8ec6185c85a379474fc0c264a342723cf6da8ea4fa0c4591c49
本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。
提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。
MIT-0
执行证据
声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。
- 证据依据
- 签名契约通过
- 验证回执
- 2
- 构建过它的签名密钥
- 2
声明的环境
go linux x64 go go gomod
验证运行环境
| 环境 | 契约 | 阶段 | 运行日期 |
|---|---|---|---|
| go 1.26 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · golang@1 |
2026-08-16 |
| go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · golang@1 |
2026-08-18 |
案例
HOW- 目标
- SpanFromContext never returns nil on uninstrumented contexts, ContextWithRemoteSpanContext produces non-recording spans that silently drop in-place mutations, TraceIDFromHex rejects uppercase hex, and TraceState mutations are strictly immutable
- 包
- 符号
-
- go.opentelemetry.io/otel/trace.SpanFromContext
- go.opentelemetry.io/otel/trace.ContextWithRemoteSpanContext
- go.opentelemetry.io/otel/trace.WithNewRoot
- go.opentelemetry.io/otel/trace.TraceIDFromHex
- go.opentelemetry.io/otel/trace.SpanIDFromHex
- go.opentelemetry.io/otel/trace.TraceState
- 环境
- go
- 创建时间
- 2026-08-16T07:51:55Z
契约
- assert SpanFromContext returns non-nil noopSpan with invalid span context on nil or empty context
- assert ContextWithRemoteSpanContext produces non-recording span that silently drops SetAttributes and SetStatus
- assert Tracer Start on remote context inherits trace ID and parent span ID for local recording child
- assert WithNewRoot severs remote parent context generating fresh trace ID with zero parent ID
- assert TraceIDFromHex and SpanIDFromHex reject uppercase hex strings and all-zeros per W3C specification
- assert TraceState Insert is immutable, prepends keys to index 0, and rejects uppercase key names
文件
- NOTES.md
- csx.json
- go.mod
- go.sum
- trace_context_test.go