rust-clippy/clippy_tests/examples/zero_ptr.rs

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#![feature(plugin)]
#![plugin(clippy)]
#[allow(unused_variables)]
fn main() {
let x = 0 as *const usize;
let y = 0 as *mut f64;
let z = 0;
let z = z as *const usize; // this is currently not caught
}