Check correctness with no or individual features

Signed-off-by: itowlson <[email protected]>

Author: itowlson

.github/workflows/build.yml

@@ -35,6 +35,18 @@ jobs:
           cargo fmt --all -- --check
           cargo clippy --workspace --all-targets -- -D warnings
         
+      - name: Check with no-default-features
+        shell: bash
+        run: cargo check --no-default-features
+
+      - name: Check with `json` feature only
+        shell: bash
+        run: cargo check --no-default-features --features json
+
+      - name: Check with `postgres4-types` feature only
+        shell: bash
+        run: cargo check --no-default-features --features postgres4-types
+
       - name: Test
         shell: bash
         run: cargo test --workspace

src/http/conversions.rs

@@ -5,9 +5,11 @@ use async_trait::async_trait;
 use wasi::io::streams;
 
 use super::{
-    Headers, IncomingRequest, IncomingResponse, Json, JsonBodyError, Method, OutgoingRequest,
-    OutgoingResponse, RequestBuilder,
+    Headers, IncomingRequest, IncomingResponse, Method, OutgoingRequest, OutgoingResponse,
+    RequestBuilder,
 };
+#[cfg(feature = "json")]
+use super::{Json, JsonBodyError};
 
 use super::{responses, NonUtf8BodyError, Request, Response};