Default impl

Author: tclem

crates/twirp-build/src/lib.rs

@@ -172,7 +172,9 @@ impl prost_build::ServiceGenerator for ServiceGenerator {
             let request_path = format!("{}/{}", service.fqn, m.proto_name);
 
             client_trait_methods.push(quote! {
-                async fn #name(&self, req: #input_type) -> Result<#output_type, twirp::ClientError>;
+                async fn #name(&self, req: #input_type) -> Result<#output_type, twirp::ClientError> {
+                    self.#name_request(req)?.send().await
+                }
             });
             client_trait_methods.push(quote! {
                 fn #name_request(&self, req: #input_type) -> Result<twirp::RequestBuilder<#input_type, #output_type>, twirp::ClientError>;
@@ -183,11 +185,6 @@ impl prost_build::ServiceGenerator for ServiceGenerator {
                     self.request(#request_path, req)
                 }
             });
-            client_methods.push(quote! {
-                async fn #name(&self, req: #input_type) -> Result<#output_type, twirp::ClientError> {
-                    self.#name_request(req)?.send().await
-                }
-            });
         }
         let client_trait = quote! {
             #[twirp::async_trait::async_trait]

example/src/bin/client.rs

@@ -93,6 +93,7 @@ impl HaberdasherApiClient for MockHaberdasherApiClient {
     ) -> Result<twirp::RequestBuilder<MakeHatRequest, MakeHatResponse>, twirp::ClientError> {
         todo!()
     }
+    // implementing this one is optional
     async fn make_hat(&self, _req: MakeHatRequest) -> Result<MakeHatResponse, twirp::ClientError> {
         todo!()
     }
@@ -104,6 +105,7 @@ impl HaberdasherApiClient for MockHaberdasherApiClient {
     {
         todo!()
     }
+    // implementing this one is optional
     async fn get_status(
         &self,
         _req: GetStatusRequest,