File: unboxed-closure-sugar-used-on-struct.rs

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// Test that parentheses form doesn't work with struct types appearing in argument types.

struct Bar<A> {
    f: A
}

fn foo(b: Box<Bar()>) {
    //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait
    //~| ERROR struct takes 1 generic argument but 0 generic arguments
}

fn main() { }