trpc.group/trpc-go/trpc-go@v1.0.3/rpcz/span_id.go (about)

     1  //
     2  //
     3  // Tencent is pleased to support the open source community by making tRPC available.
     4  //
     5  // Copyright (C) 2023 THL A29 Limited, a Tencent company.
     6  // All rights reserved.
     7  //
     8  // If you have downloaded a copy of the tRPC source code from Tencent,
     9  // please note that tRPC source code is licensed under the  Apache 2.0 License,
    10  // A copy of the Apache 2.0 License is included in this file.
    11  //
    12  //
    13  
    14  package rpcz
    15  
    16  // SpanID is a unique identity of a span.
    17  // a valid span ID is always a non-negative integer
    18  type SpanID int64
    19  
    20  // nilSpanID is a invalid span ID.
    21  const nilSpanID SpanID = -1