The windows crate's "std" feature should enable dependent "std" features (#3666)

Author: kennykerr

.github/workflows/test.yml

@@ -343,6 +343,8 @@ jobs:
         run:  cargo test -p test_win32_arrays --target ${{ matrix.target }}
       - name: Test test_window_long
         run:  cargo test -p test_window_long --target ${{ matrix.target }}
+      - name: Test test_windows_std
+        run:  cargo test -p test_windows_std --target ${{ matrix.target }}
       - name: Test test_winrt
         run:  cargo test -p test_winrt --target ${{ matrix.target }}
       - name: Test tool_bindgen
@@ -363,10 +365,10 @@ jobs:
         run:  cargo test -p tool_test_all --target ${{ matrix.target }}
       - name: Test tool_workspace
         run:  cargo test -p tool_workspace --target ${{ matrix.target }}
-      - name: Test tool_yml
-        run:  cargo test -p tool_yml --target ${{ matrix.target }}
       - name: Clean
         run:  cargo clean
+      - name: Test tool_yml
+        run:  cargo test -p tool_yml --target ${{ matrix.target }}
       - name: Test windows
         run:  cargo test -p windows --target ${{ matrix.target }}
       - name: Test windows-bindgen

crates/libs/collections/Cargo.toml

@@ -17,7 +17,7 @@ windows-strings = { workspace = true }
 
 [features]
 default = ["std"]
-std = []
+std = ["windows-core/std"]
 
 [lints]
 workspace = true

crates/libs/future/Cargo.toml

@@ -18,7 +18,7 @@ windows-result = { workspace = true }
 
 [features]
 default = ["std"]
-std = []
+std = ["windows-core/std"]
 
 [lints]
 workspace = true

crates/libs/numerics/Cargo.toml

@@ -14,7 +14,7 @@ windows-link = { workspace = true }
 
 [features]
 default = ["std"]
-std = []
+std = ["windows-core/std"]
 
 [lints]
 workspace = true

crates/libs/windows/Cargo.toml

@@ -35,7 +35,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 [features]
 default = ["std"]
 docs = []
-std = ["windows-core/std"]
+std = ["windows-collections/std", "windows-core/std", "windows-future/std", "windows-numerics/std"]
 # generated features
 AI = ["Foundation"]
 AI_MachineLearning = ["AI"]

crates/tests/libs/windows_std/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "test_windows_std"
+version = "0.0.0"
+edition = "2021"
+publish = false
+
+[lib]
+doc = false
+doctest = false
+
+[dependencies]
+windows = { workspace = true, features = ["std"] }
+# the inclusion of "std" in `windows` should enable it for the following dependencies
+windows-collections = { workspace = true }
+windows-core = { workspace = true }
+windows-future = { workspace = true }
+windows-numerics = { workspace = true }

crates/tests/libs/windows_std/src/lib.rs

@@ -0,0 +1 @@
+

crates/tests/libs/windows_std/tests/test.rs

@@ -0,0 +1,19 @@
+#[test]
+fn collections() {
+    _ = windows_collections::IIterable::<i32>::from(vec![1, 2, 3]);
+}
+
+#[test]
+fn core() {
+    _ = windows_core::Event::<windows_core::IUnknown>::new();
+}
+
+#[test]
+fn future() {
+    windows_future::IAsyncAction::ready(Ok(()));
+}
+
+#[test]
+fn numerics() {
+    windows_numerics::Vector2::zero().length();
+}