From 941c1528068a219e7908b471f87ed445774eed3f Mon Sep 17 00:00:00 2001
From: SOFe <sofe2038@gmail.com>
Date: Sun, 20 Sep 2020 17:36:59 +0800
Subject: [PATCH] Fully qualify derive(Component) default storage

---
 specs-derive/Cargo.toml       | 8 ++++++++
 specs-derive/src/lib.rs       | 2 +-
 specs-derive/tests/default.rs | 6 ++++++
 3 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 specs-derive/tests/default.rs

diff --git a/specs-derive/Cargo.toml b/specs-derive/Cargo.toml
index b7c9b22e7..2a18ddab1 100644
--- a/specs-derive/Cargo.toml
+++ b/specs-derive/Cargo.toml
@@ -14,5 +14,13 @@ proc-macro2 = "1.0.8"
 syn = "1.0.14"
 quote = "1.0.2"
 
+[dev-dependencies]
+static_assertions = "1.1.0"
+
+[dev-dependencies.specs]
+version = "0.16.1"
+path = ".."
+features = ["specs-derive"]
+
 [lib]
 proc-macro = true
diff --git a/specs-derive/src/lib.rs b/specs-derive/src/lib.rs
index 5a73e83f7..03cf0084a 100644
--- a/specs-derive/src/lib.rs
+++ b/specs-derive/src/lib.rs
@@ -66,7 +66,7 @@ fn impl_component(ast: &DeriveInput) -> proc_macro2::TokenStream {
                 .unwrap()
                 .storage
         })
-        .unwrap_or_else(|| parse_quote!(DenseVecStorage));
+        .unwrap_or_else(|| parse_quote!(::specs::storage::DenseVecStorage));
 
     quote! {
         impl #impl_generics Component for #name #ty_generics #where_clause {
diff --git a/specs-derive/tests/default.rs b/specs-derive/tests/default.rs
new file mode 100644
index 000000000..f7fc5d348
--- /dev/null
+++ b/specs-derive/tests/default.rs
@@ -0,0 +1,6 @@
+use specs::Component;
+
+#[derive(Component)]
+pub struct Foo;
+
+static_assertions::assert_type_eq_all!(<Foo as Component>::Storage, ::specs::storage::DenseVecStorage<Foo>);