Merge 6eac21683d into fe890a73b2

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci-post-merge.yml

@@ -49,7 +49,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -83,7 +83,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
 
       - name: Install just, cargo-hack
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just,cargo-hack
 

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -117,7 +117,7 @@ jobs:
           toolchain: nightly
 
       - name: Install just
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just
 

.github/workflows/coverage.yml

@@ -24,7 +24,7 @@ jobs:
           components: llvm-tools
 
       - name: Install just, cargo-llvm-cov, cargo-nextest
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just,cargo-llvm-cov,cargo-nextest
 

.github/workflows/lint.yml

@@ -77,7 +77,7 @@ jobs:
           toolchain: ${{ vars.RUST_VERSION_EXTERNAL_TYPES }}
 
       - name: Install just
-        uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
+        uses: taiki-e/install-action@0be4756f42223b67aa4b7df5effad59010cbf4b9 # v2.62.51
         with:
           tool: just
 

actix-multipart/src/form/mod.rs

@@ -187,6 +187,45 @@ where
     }
 }
 
+impl<'t, T> FieldGroupReader<'t> for Option<Vec<T>>
+where
+    T: FieldReader<'t>,
+{
+    type Future = LocalBoxFuture<'t, Result<(), MultipartError>>;
+
+    fn handle_field(
+        req: &'t HttpRequest,
+        field: Field,
+        limits: &'t mut Limits,
+        state: &'t mut State,
+        _duplicate_field: DuplicateField,
+    ) -> Self::Future {
+        let field_name = field.name().unwrap().to_string();
+
+        Box::pin(async move {
+            let vec = state
+                .entry(field_name)
+                .or_insert_with(|| Box::<Vec<T>>::default())
+                .downcast_mut::<Vec<T>>()
+                .unwrap();
+
+            let item = T::read_field(req, field, limits).await?;
+            vec.push(item);
+
+            Ok(())
+        })
+    }
+
+    fn from_state(name: &str, state: &'t mut State) -> Result<Self, MultipartError> {
+        if let Some(boxed_vec) = state.remove(name) {
+            let vec = *boxed_vec.downcast::<Vec<T>>().unwrap();
+            Ok(Some(vec))
+        } else {
+            Ok(None)
+        }
+    }
+}
+
 /// Trait that allows a type to be used in the [`struct@MultipartForm`] extractor.
 ///
 /// You should use the [`macro@MultipartForm`] macro to derive this for your struct.