moved renamed docs stderr formatted | empty-type-parameter-list.rs

Author: Kivooeo

tests/ui/empty-type-parameter-list.rs

@@ -0,0 +1,32 @@
+//! Test that empty type parameter list <> is equivalent to no type parameters
+//!
+//! Verifies that empty angle brackets <> are syntactically valid and equivalent
+//! to omitting type parameters entirely across various language constructs.
+
+//@ run-pass
+
+struct S;
+trait T {} //~ WARN trait `T` is never used
+enum E {
+    V,
+}
+
+impl T for S {}
+impl T for E {}
+
+fn foo() {}
+fn bar() {}
+
+fn main() {
+    let _ = S;
+    let _ = S;
+    let _ = E::V;
+    let _ = E::V;
+
+    foo();
+    foo();
+
+    // Test that we can supply <> to non-generic things
+    bar();
+    let _: i32;
+}

tests/ui/generics/empty-generic-brackets-equiv.rs

@@ -1,7 +1,7 @@
 warning: trait `T` is never used
-  --> $DIR/empty-type-parameter-list.rs:6:7
+  --> $DIR/empty-generic-brackets-equiv.rs:9:7
    |
-LL | trait T<> {}
+LL | trait T {}
    |       ^
    |
    = note: `#[warn(dead_code)]` on by default