Context


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  • Using Context
    • Adding a span to a context
    • Accessing a span from a Context
    • Contexts are immuutable, spans are not
    • Watch out for nil
  • Deadlines and Spans
    • Finishing Spans on Deadlines
    • Do not Cancel contexts based on span finish
  • When not to use context
    • Tracing Long-lived Objects
  • Higher level APIs
    • Context-only APIs
    • StartSpanFromContext(ctx context.Context, operationName string, opts …StartSpanOption) (Span, context.Context)
    • Tag(context.Context)
    • Log(context.Context)