Testing pipe_in with generics

bevy-butler-proc-macro/src/system/structs.rs

@@ -11,7 +11,7 @@ use syn::{Expr, Item, ItemUse};
 use crate::utils;
 use crate::utils::GenericOrMeta;
 
-use self::utils::{parse_meta_args, parse_meta_args_with};
+use self::utils::parse_meta_args_with;
 
 #[derive(Clone)]
 pub(crate) struct SystemAttr {

bevy-butler/tests/system/generic_pipe.rs

@@ -0,0 +1,31 @@
+use std::fmt::Display;
+
+use bevy::prelude::*;
+use bevy_butler::*;
+
+use crate::common::log_plugin;
+
+#[butler_plugin]
+struct MyPlugin;
+
+#[derive(Resource)]
+#[resource(plugin = MyPlugin, init = GenericRes(5u8))]
+struct GenericRes<T>(T);
+
+fn generic_pipe<T: 'static + Sync + Send + Display>(res: Res<GenericRes<T>>) -> String {
+    res.0.to_string()
+}
+
+#[system(plugin = MyPlugin, schedule = Startup, pipe_in = generic_pipe::<u8>)]
+fn print_res(input: In<String>) {
+    info!("Generic resource: {}", input.0);
+    assert_eq!(input.0, "5");
+}
+
+#[test]
+fn test() {
+    App::new()
+        .add_plugins(log_plugin())
+        .add_plugins(MyPlugin)
+        .run();
+}

bevy-butler/tests/system/main.rs

@@ -7,3 +7,4 @@ mod system;
 mod system_expr_schedule;
 mod use_declaration;
 mod pipe;
+mod generic_pipe;