Add some feature

Cargo.toml

@@ -29,3 +29,7 @@ lazy_static = "1.5.0"
 [dev-dependencies]
 parameterized = "2.0.0"
 pretty_assertions = "1.4.1"
+
+[features]
+default = []
+somefeature = []

Taskfile.yml

@@ -3,11 +3,11 @@ version: '3'
 tasks:
   test:
     cmds:
-      - cargo test
+      - cargo test --all-features
 
   clippy.check:
     cmds:
-      - cargo clippy --all-targets -- -D warnings
+      - cargo clippy --all-features --all-targets -- -D warnings
 
   clippy.fix:
     cmds:

src/lib.rs

@@ -33,3 +33,7 @@ pub mod prelude {
     pub use crate::IntoPypath;
     pub use crate::PackageItemIterator;
 }
+
+/// Some feature
+#[cfg(feature = "somefeature")]
+pub mod somefeature;

src/somefeature.rs

@@ -0,0 +1,2 @@
+/// Foo
+pub fn foo() {}