20 lines
429 B
Rust
20 lines
429 B
Rust
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#![feature(plugin)]
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#![plugin(clippy)]
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#![deny(cmp_null)]
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#![allow(unused_mut)]
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use std::ptr;
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fn main() {
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let x = 0;
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let p : *const usize = &x;
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if p == ptr::null() { //~ERROR: Comparing with null
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println!("This is surprising!");
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}
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let mut y = 0;
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let mut m : *mut usize = &mut y;
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if m == ptr::null_mut() { //~ERROR: Comparing with null
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println!("This is surprising, too!");
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}
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}
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