#![feature(plugin)] #![plugin(clippy)] #![deny(clippy)] macro_rules! boxit { ($init:expr, $x:ty) => { let _: Box<$x> = Box::new($init); } } fn test_macro() { boxit!(Vec::new(), Vec); } pub fn test(foo: Box>) { //~ ERROR you seem to be trying to use `Box>` println!("{:?}", foo.get(0)) } pub fn test2(foo: Box)>) { // pass if #31 is fixed foo(vec![1, 2, 3]) } fn main(){ test(Box::new(Vec::new())); test2(Box::new(|v| println!("{:?}", v))); test_macro(); }