gRPC Rust example

See https://tamalpais.atlassian.net/wiki/spaces/SD/pages/986972173 for reference material

rustup toolchain install stable
rustup component list
rustup component add rustfmt
cargo new helloworld-tonic
cd helloworld-tonic

follow instructions in helloworld-tutorial, creating build.rs, server.rs, and helloworld.proto, and modifying Cargo.toml. Also add mod server; to beginning of main.rs

Run server

cargo run --bin helloworld-server

Install BloomRPC and run
select helloworld.rpc on left

click play button

You should see Response on right

follow instructions in helloworld-tutorial, creating client.rs and adding mod client; to beginning of main.rs

Run client

cargo run --bin helloworld-client

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