# Echo, a gRPC Sample App

This directory contains a simple echo server and client
that demonstrates all four gRPC API styles (Unary, Server 
Streaming, Client Streaming, and Bidirectional Streaming).

The [Xcode](Xcode) directory contains a Mac app and 
[PackageManager](PackageManager) contains a command-line tool
that can be built with the Swift Package Manager. Both contain
a Swift client and server.