var _ compile-time assertion 编译时断言

biz_grpc.pb.go

// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package v1
import (     context "context"     grpc "google.golang.org/grpc"     codes "google.golang.org/grpc/codes"     status "google.golang.org/grpc/status" )
// This is a compile-time assertion to ensure that this generated file // is compatible with the grpc package it is being compiled against. // Requires gRPC-Go v1.32.0 or later. const _ = grpc.SupportPackageIsVersion7     google.golang.org\grpc@v1.42.0\rpc_util.go // The SupportPackageIsVersion variables are referenced from generated protocol // buffer files to ensure compatibility with the gRPC version used.  The latest // support package version is 7. // // Older versions are kept for compatibility. // // These constants should not be referenced from any other code. const (     SupportPackageIsVersion3 = true     SupportPackageIsVersion4 = true     SupportPackageIsVersion5 = true     SupportPackageIsVersion6 = true     SupportPackageIsVersion7 = true )
const grpcUA = "grpc-go/" + Version      

biz_http.pb.go

// Code generated by protoc-gen-go-http. DO NOT EDIT. // versions: // protoc-gen-go-http v2.1.2
package v1
import (     context "context"     http "github.com/go-kratos/kratos/v2/transport/http"     binding "github.com/go-kratos/kratos/v2/transport/http/binding" )
// This is a compile-time assertion to ensure that this generated file // is compatible with the kratos package it is being compiled against. var _ = new(context.Context) var _ = binding.EncodeURL
const _ = http.SupportPackageIsVersion1