chore: Upgrade to 2021 edition (#808)

examples/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
-name = "examples"
-version = "0.1.0"
 authors = ["Lucio Franco <[email protected]>"]
-edition = "2018"
-publish = false
+edition = "2021"
 license = "MIT"
+name = "examples"
+publish = false
+version = "0.1.0"
 
 [[bin]]
 name = "helloworld-server"
@@ -179,38 +179,38 @@ name = "streaming-server"
 path = "src/streaming/server.rs"
 
 [dependencies]
-tonic = { path = "../tonic", features = ["tls", "compression"] }
-prost = "0.9"
-tokio = { version = "1.0", features = ["rt-multi-thread", "time", "fs", "macros", "net"] }
-tokio-stream = { version =  "0.1", features = ["net"] }
 async-stream = "0.3"
-futures = { version = "0.3", default-features = false, features = ["alloc"] }
-tower = { version = "0.4" }
+futures = {version = "0.3", default-features = false, features = ["alloc"]}
+prost = "0.9"
+tokio = {version = "1.0", features = ["rt-multi-thread", "time", "fs", "macros", "net"]}
+tokio-stream = {version = "0.1", features = ["net"]}
+tonic = {path = "../tonic", features = ["tls", "compression"]}
+tower = {version = "0.4"}
 # Required for routeguide
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 rand = "0.8"
+serde = {version = "1.0", features = ["derive"]}
+serde_json = "1.0"
 # Tracing
 tracing = "0.1.16"
-tracing-subscriber = { version = "0.2", features = ["tracing-log"] }
 tracing-attributes = "0.1"
 tracing-futures = "0.2"
+tracing-subscriber = {version = "0.2", features = ["tracing-log"]}
 # Required for wellknown types
 prost-types = "0.9"
 # Hyper example
-hyper = { version = "0.14", features = ["full"] }
-warp = "0.3"
 http = "0.2"
 http-body = "0.4.2"
+hyper = {version = "0.14", features = ["full"]}
 pin-project = "1.0"
+warp = "0.3"
 # Health example
-tonic-health = { path = "../tonic-health" }
+tonic-health = {path = "../tonic-health"}
 # Reflection example
-tonic-reflection = { path = "../tonic-reflection" }
 listenfd = "0.3"
+tonic-reflection = {path = "../tonic-reflection"}
 # grpc-web example
-tonic-web = { path = "../tonic-web" }
 bytes = "1"
+tonic-web = {path = "../tonic-web"}
 
 [build-dependencies]
-tonic-build = { path = "../tonic-build", features = ["prost", "compression"] }
+tonic-build = {path = "../tonic-build", features = ["prost", "compression"]}

examples/helloworld-tutorial.md

@@ -102,7 +102,7 @@ Now that have defined the protobuf for our application we can start writing our
 [package]
 name = "helloworld-tonic"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [[bin]] # Bin to run the HelloWorld gRPC server
 name = "helloworld-server"