Rename host argument in SDK's connect to spacetimedb_uri (#119)

This commit renames the first argument to connect from host to spacetimedb_uri. It's not just a host(name), it's the URI of the SpacetimeDB instance.

crates/cli/src/subcommands/generate/rust.rs

@@ -1001,7 +1001,7 @@ fn print_handle_event_defn(out: &mut Indenter, items: &[GenItem]) {
 }
 
 const CONNECT_DOCSTRING: &[&str] = &[
-    "/// Connect to a database named `db_name` accessible over the internet at the URI `host`.",
+    "/// Connect to a database named `db_name` accessible over the internet at the URI `spacetimedb_uri`.",
     "///",
     "/// If `credentials` are supplied, they will be passed to the new connection to",
     "/// identify and authenticate the user. Otherwise, a set of `Credentials` will be",
@@ -1017,17 +1017,17 @@ fn print_connect_docstring(out: &mut Indenter) {
 fn print_connect_defn(out: &mut Indenter) {
     print_connect_docstring(out);
     out.delimited_block(
-        "pub fn connect<Host>(host: Host, db_name: &str, credentials: Option<Credentials>) -> Result<()>
+        "pub fn connect<IntoUri>(spacetimedb_uri: IntoUri, db_name: &str, credentials: Option<Credentials>) -> Result<()>
 where
-\tHost: TryInto<spacetimedb_sdk::http::Uri>,
-\t<Host as TryInto<spacetimedb_sdk::http::Uri>>::Error: std::error::Error + Send + Sync + 'static,
+\tIntoUri: TryInto<spacetimedb_sdk::http::Uri>,
+\t<IntoUri as TryInto<spacetimedb_sdk::http::Uri>>::Error: std::error::Error + Send + Sync + 'static,
 {",
         |out| out.delimited_block(
             "with_connection_mut(|connection| {",
             |out| {
                 writeln!(
                     out,
-                    "connection.connect(host, db_name, credentials, handle_table_update, handle_resubscribe, invoke_row_callbacks, handle_event)?;"
+                    "connection.connect(spacetimedb_uri, db_name, credentials, handle_table_update, handle_resubscribe, invoke_row_callbacks, handle_event)?;"
                 ).unwrap();
                 writeln!(out, "Ok(())").unwrap();
             },

crates/sdk/src/background_connection.rs

@@ -275,7 +275,7 @@ impl BackgroundDbConnection {
         ))
     }
 
-    /// Connect to a database named `db_name` accessible over the internet at the URI `host`.
+    /// Connect to a database named `db_name` accessible over the internet at the URI `spacetimedb_uri`.
     ///
     /// If `credentials` are supplied, they will be passed to the new connection to
     /// identify and authenticate the user. Otherwise, a set of `Credentials` will be
@@ -293,9 +293,9 @@ impl BackgroundDbConnection {
     // calls are autogenerated by the CLI,
     // with a wrapper that takes only 3 arguments.
     #[allow(clippy::too_many_arguments)]
-    pub fn connect<Host>(
+    pub fn connect<IntoUri>(
         &mut self,
-        host: Host,
+        spacetimedb_uri: IntoUri,
         db_name: &str,
         credentials: Option<Credentials>,
         handle_table_update: crate::client_cache::HandleTableUpdateFn,
@@ -304,14 +304,14 @@ impl BackgroundDbConnection {
         handle_event: crate::callbacks::HandleEventFn,
     ) -> Result<()>
     where
-        Host: TryInto<http::Uri>,
-        <Host as TryInto<http::Uri>>::Error: std::error::Error + Send + Sync + 'static,
+        IntoUri: TryInto<http::Uri>,
+        <IntoUri as TryInto<http::Uri>>::Error: std::error::Error + Send + Sync + 'static,
     {
         // `block_in_place` is required here, as tokio won't allow us to call
         // `block_on` if it would block the current thread of an outer runtime
         let connection = tokio::task::block_in_place(|| {
             self.handle
-                .block_on(DbConnection::connect(host, db_name, credentials.as_ref()))
+                .block_on(DbConnection::connect(spacetimedb_uri, db_name, credentials.as_ref()))
         })?;
         let client_cache = Arc::new(Mutex::new(Arc::new(ClientCache::new(
             handle_table_update,