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Documentation: fix metadata.FromContext example

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metadata.FromContext returns additional boolean value.
This fixes the example in metadata documentation.
This commit is contained in:
Gyu-Ho Lee
2016-05-12 11:07:32 -07:00
parent 54222d50cc
commit c4adca718a
1 changed files with 2 additions and 1 deletions
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Documentation/grpc-metadata.md
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@ -70,7 +70,8 @@ Metadata can be retrieved from context using `FromContext`:
```go ```go
func (s *server) SomeRPC(ctx context.Context, in *pb.SomeRequest) (*pb.SomeResponse, err) { func (s *server) SomeRPC(ctx context.Context, in *pb.SomeRequest) (*pb.SomeResponse, err) {
md := metadata.FromContext(ctx) md, ok := metadata.FromContext(ctx)
// do something with metadata
} }
``` ```