Method SendHeader

stream.go:1596–1596

SendHeader sends the header metadata. The provided md and headers set by SetHeader() will be sent. It fails if called multiple times.

(metadata.MD)

	// The provided md and headers set by SetHeader() will be sent.
	// It fails if called multiple times.
	SendHeader(metadata.MD) error
	// SetTrailer sets the trailer metadata which will be sent with the RPC status.
	// When called more than once, all the provided metadata will be merged.
	SetTrailer(metadata.MD)