英文:
Extend keyword in protobuf
问题
"extend" 在 protobuf 中的作用是什么？
举例来说，在一个 .proto 文件中，我有以下内容：
extend ReportConfig {
optional PerfStandardReportConfig perf_standard_report = 201;
optional PerfCategoryReportConfig perf_category_report = 202;
}
英文:
What does extend do in protobuf?
For example, in a .proto file I have something like
extend ReportConfig {
optional PerfStandardReportConfig perf_standard_report = 201;
optional PerfCategoryReportConfig perf_category_report = 202;
}
答案1
得分: 1
The extend keyword in Protobuf is used to define extensions to a message type. Extensions are a way to add new fields to a message type without having to change the original message type definition.
P.S: extend is a discouraged feature from Protobuf version 3.
英文:
The extend keyword in Protobuf is used to define extensions to a message type. Extensions are a way to add new fields to a message type without having to change the original message type definition.
P.S: extend is a discouraged feature from Protobuf version 3
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